APA (7th ed.) Zitazioa

JANICK, J. (1981). Plant science: An introduction to world crops. (3rd ed.). W.H.Freeman.

Chicago Style (17th ed.) Zitazioa

JANICK, Jules. Plant Science: An Introduction to World Crops. 3rd ed. San Francisco: W.H.Freeman, 1981.

MLA (9th ed.) Zitazioa

JANICK, Jules. Plant Science: An Introduction to World Crops. 3rd ed. W.H.Freeman, 1981.