Cita APA (7th ed.)

Alle, W. C., & Schmidt, K. P. (1966). Ecological animal geography (2a. ed.). John Wiley.

Cita Chicago (17th ed.)

Alle, W. C., i Karl P. Schmidt. Ecological Animal Geography. 2a. ed. Nueva York: John Wiley, 1966.

Cita MLA (9th ed.)

Alle, W. C., i Karl P. Schmidt. Ecological Animal Geography. 2a. ed. John Wiley, 1966.