APA (7th ed.) Citation

Norstog, K., & Long, R. W. (1976). Plant biology. Saunders.

Chicago Style (17th ed.) Citation

Norstog, Knut, and Robert W. Long. Plant Biology. Philadelphia: Saunders, 1976.

MLA (9th ed.) Citation

Norstog, Knut, and Robert W. Long. Plant Biology. Saunders, 1976.

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