Cita APA

Swanson, C. P., & Swanson, C. P. (1973). The natural history of man. Englewood Cliffs, N.J.: Prentice Hall.

Citación estilo Chicago

Swanson, Carl P., y Carl P. Swanson. The Natural History of Man. Englewood Cliffs, N.J.: Prentice Hall, 1973.

Cita MLA

Swanson, Carl P., y Carl P. Swanson. The Natural History of Man. Englewood Cliffs, N.J.: Prentice Hall, 1973.