APA (7th ed.) Zitazioa

ECK, P. (1966). Blueberry culture. Rutgers University Pr..

Chicago Style (17th ed.) Zitazioa

ECK, Paul. Blueberry Culture. New Brunswick, N. J.: Rutgers University Pr., 1966.

MLA (9th ed.) Zitazioa

ECK, Paul. Blueberry Culture. Rutgers University Pr., 1966.