Cita APA (7a ed.)

Mayr, E. (1997). This is biology: The science of the living world. Belknap Press of Harvard Univ. Press.

Cita Chicago Style (17a ed.)

Mayr, Ernst. This Is Biology: The Science of the Living World. Cambridge, Mass. ; London: Belknap Press of Harvard Univ. Press, 1997.

Cita MLA (8a ed.)

Mayr, Ernst. This Is Biology: The Science of the Living World. Belknap Press of Harvard Univ. Press, 1997.