Cita APA (7a ed.)

Howe, H. F., & Westley, L. C. (1988). Ecological relationships of plants and animals (1st edition.). Oxford University Press.

Cita Chicago Style (17a ed.)

Howe, Henry F., y Lynn C. Westley. Ecological Relationships of Plants and Animals. 1st edition. Oxford: Oxford University Press, 1988.

Cita MLA (8a ed.)

Howe, Henry F., y Lynn C. Westley. Ecological Relationships of Plants and Animals. 1st edition. Oxford University Press, 1988.