APA (7th ed.) Citation

Weaver, J. E., & Clements, F. E. (1938). Plant ecology (2nd ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Weaver, John Ernest, and Frederic Edward Clements. Plant Ecology. 2nd ed. New York: McGraw-Hill, 1938.

MLA (9th ed.) Citation

Weaver, John Ernest, and Frederic Edward Clements. Plant Ecology. 2nd ed. McGraw-Hill, 1938.