APA (7th ed.) Citation

(1974). Plant science: An introd. to world crops (2.ed.). Freeman.

Chicago Style (17th ed.) Citation

Plant Science: An Introd. to World Crops. 2.ed. San Francisco: Freeman, 1974.

MLA (9th ed.) Citation

Plant Science: An Introd. to World Crops. 2.ed. Freeman, 1974.