Cita APA (7a ed.)

Spellerberg, I. F., & Sawyer, J. W. D. (1999). An introduction to applied biogeography. University Press.

Cita Chicago Style (17a ed.)

Spellerberg, Ian F., y John W. D. Sawyer. An Introduction to Applied Biogeography. Cambridge: University Press, 1999.

Cita MLA (9a ed.)

Spellerberg, Ian F., y John W. D. Sawyer. An Introduction to Applied Biogeography. University Press, 1999.