Cita APA (7a ed.)

Ritvo, H. (1997). The platypus and the mermaid, and other figments of the classifying imagination. Harvard University Press.

Cita Chicago Style (17a ed.)

Ritvo, Harriet. The Platypus and the Mermaid, and Other Figments of the Classifying Imagination. Cambridge, Mass.: Harvard University Press, 1997.

Cita MLA (8a ed.)

Ritvo, Harriet. The Platypus and the Mermaid, and Other Figments of the Classifying Imagination. Harvard University Press, 1997.