Cita APA (7a ed.)

Powell, W. F. (2013). Perspective: An essential guide featuring basic principles, advanced techniques, and practical applications (1st edition.). Walter Foster.

Cita Chicago Style (17a ed.)

Powell, William F. Perspective: An Essential Guide Featuring Basic Principles, Advanced Techniques, and Practical Applications. 1st edition. Irvine, CA: Walter Foster, 2013.

Cita MLA (9a ed.)

Powell, William F. Perspective: An Essential Guide Featuring Basic Principles, Advanced Techniques, and Practical Applications. 1st edition. Walter Foster, 2013.