Cita APA (7a ed.)

Parker, T. J., & Haswell, W. A. (1947). A text-book of zoology (6a. ed.). Macmillan and Co..

Cita Chicago Style (17a ed.)

Parker, T. Jeffery, y William A. Haswell. A Text-book of Zoology. 6a. ed. London: Macmillan and Co., 1947.

Cita MLA (8a ed.)

Parker, T. Jeffery, y William A. Haswell. A Text-book of Zoology. 6a. ed. Macmillan and Co., 1947.