Cita APA (7a ed.)

Watt, K. E. F. (1968). Ecology and resource management: A quantitative approach. McGraw-Hill.

Cita Chicago Style (17a ed.)

Watt, Kenneth E. F. Ecology and Resource Management: A Quantitative Approach. New York: McGraw-Hill, 1968.

Cita MLA (9a ed.)

Watt, Kenneth E. F. Ecology and Resource Management: A Quantitative Approach. McGraw-Hill, 1968.