Cita APA (7a ed.)

Gwyer, J. A. (1956). Photo interpretation techniques. Library of Congress, Tecnical Information Division.

Cita Chicago Style (17a ed.)

Gwyer, Joseph A. Photo Interpretation Techniques. Washington - EEUU: Library of Congress, Tecnical Information Division, 1956.

Cita MLA (8a ed.)

Gwyer, Joseph A. Photo Interpretation Techniques. Library of Congress, Tecnical Information Division, 1956.