Cita APA (7a ed.)

Parker,T Jeffery. (1940). A text-book of zoology. 6ed (6ed.). Macmillan.

Cita Chicago Style (17a ed.)

Parker,T Jeffery. A Text-book of Zoology. 6ed. 6ed. London - INGL: Macmillan, 1940.

Cita MLA (8a ed.)

Parker,T Jeffery. A Text-book of Zoology. 6ed. 6ed. Macmillan, 1940.