APA (7th ed.) Citation

Krutch, J. W. (1956). The Great chain of life. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Krutch, Joseph Wood. The Great Chain of Life. Boston: Houghton Mifflin, 1956.

MLA (9th ed.) Citation

Krutch, Joseph Wood. The Great Chain of Life. Houghton Mifflin, 1956.

Warning: These citations may not always be 100% accurate.