Try a reference manager. All reference managers have advantages and disadvantages. Mostly, it is a matter of preference. For more information about reference managers, go to
If you use an image that you don't create, it should have a credit line at the end of the caption. APA states that the image should be in your list of references as well. If the reproduction of a copyrighted image is not fair use, you would need to obtain permission from the copyright holder to use it. The reprinted with permission statement is not needed when it is fair use.
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Figure 1. Trajectory of a photon after a scattering event. Reprinted from Biomedical Photonics Handbook (p. 2-7), by T. Vo-Dinh (ed.), 2003, CRC Press. Copyright 2003 by CRC Press. Reprinted with permission.
Example of a Credit Line for Material from a Journal
Figure 2. Path line visualization of direct blood flow corresponding to the diastolic E-peak for a healthy 50 years old female. Adapted from "Left Ventricular Fluid Mechanics: The Long Way from Theoretical Models to Clinical Applications," by G. Pedrizzetti and F. Domenichini, 2014, Annals of Biomedical Engineering, 43(1), p. 35. Copyright 2014 by Springer. Reprinted with permission.
Example of a Credit Line for Material from a Website (under the creative commons license)
Figure 3. Researchers reviewing data. Reprinted from Flickr, by Novartis AG, 2013, Retrieved from https://www.flickr.com/photos/51868421@N04/10876800114/ Some rights reserved by Novartis AG under a CC BY-NC-ND 2.0.