Cita APA

Guyer, M. F., & Lane, C. E. (1931). Animal biology/5th ed (5th ed.). Harper.

Chicago Edition Citation

Guyer, Michael F., i Charles E. Lane. Animal Biology/5th Ed. 5th ed. New york: Harper, 1931.

Cita MLA

Guyer, Michael F., i Charles E. Lane. Animal Biology/5th Ed. 5th ed. Harper, 1931.