MLA

Janick, Jules, Robert W Schery, and Frank W Woods. Plant Science : an Introduction to World Crops. 2d ed. San Francisco: W. H. Freeman, 1974.

APA

Janick, J., Schery, R. W, & Woods, F. W. (1974). Plant science : an introduction to world crops. 2d ed. San Francisco: W. H. Freeman.

Chicago

Janick, Jules, Robert W Schery, and Frank W Woods. Plant Science: An Introduction to World Crops. 2d ed. San Francisco: W. H. Freeman, 1974.