APA (7th ed.) Citation

Janick, J., Schery, r. W., Woods, F. W., & Ruttan, V. W. (1969). Plant science: An introduction to world crops. W. H. Freeman.

Chicago Style (17th ed.) Citation

Janick, Jules, robert W. Schery, Frank W. Woods, and Vernon W. Ruttan. Plant Science: An Introduction to World Crops. San Francisco: W. H. Freeman, 1969.

MLA (9th ed.) Citation

Janick, Jules, et al. Plant Science: An Introduction to World Crops. W. H. Freeman, 1969.