Cita APA (7a ed.)

Grove, A. J., & Newell, G. E. (1950). Animal biology (3rd ed.). University Tutorial Press.

Cita Chicago Style (17a ed.)

Grove, A. J., y G. E. Newell. Animal Biology. 3rd ed. London [England]: University Tutorial Press, 1950.

Cita MLA (8a ed.)

Grove, A. J., y G. E. Newell. Animal Biology. 3rd ed. University Tutorial Press, 1950.