Cita APA (7th ed.)

Elder, H. Y., & Trueman, E. R. (1980). Aspects of animal movement. Cambridge University.

Cita Chicago (17th ed.)

Elder, H. Y., i E. R. Trueman. Aspects of Animal Movement. Cambridge: Cambridge University, 1980.

Cita MLA (9th ed.)

Elder, H. Y., i E. R. Trueman. Aspects of Animal Movement. Cambridge University, 1980.