Cita APA

Watts, D. 1., & Watts, D. 1. (1971). Principles of biogeography: An introduction to the functional mechanisms of ecosystems. London: McGraw-Hill.

Citación estilo Chicago

Watts, David 1935-, y David 1935- Watts. Principles of Biogeography: An Introduction to the Functional Mechanisms of Ecosystems. London: McGraw-Hill, 1971.

Cita MLA

Watts, David 1935-, y David 1935- Watts. Principles of Biogeography: An Introduction to the Functional Mechanisms of Ecosystems. London: McGraw-Hill, 1971.