Cita APA (7a ed.)

Lucas, A. M., & Stettenheim, P. R. (1972). Avian anatomy: Integument. Agricultural Research Service, United States Department of Agriculture.

Cita Chicago Style (17a ed.)

Lucas, Alfred M., y Peter R. Stettenheim. Avian Anatomy: Integument. Washington: Agricultural Research Service, United States Department of Agriculture, 1972.

Cita MLA (9a ed.)

Lucas, Alfred M., y Peter R. Stettenheim. Avian Anatomy: Integument. Agricultural Research Service, United States Department of Agriculture, 1972.