Cita APA

Weaver, J. E., & Clements, F. E. (1938). Plant Ecology. New York ; London: McGraw-Hill.

Chicago Style Citation

Weaver, John E., i Frederic E. Clements. Plant Ecology. New York ; London: McGraw-Hill, 1938.

Cita MLA

Weaver, John E., i Frederic E. Clements. Plant Ecology. New York ; London: McGraw-Hill, 1938.