APA (7th ed.) Citation

Benson, L. D. (1979). Plant classification (2d ed.). Heath.

Chicago Style (17th ed.) Citation

Benson, Lyman David. Plant Classification. 2d ed. Lexington, Mass: Heath, 1979.

MLA (9th ed.) Citation

Benson, Lyman David. Plant Classification. 2d ed. Heath, 1979.

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