APA (7th ed.) Zitazioa
Jon N.Leonard & Hofewr,and Prikin N. (1974). live longer now: The first one hundred years life. Grosset and Dunlap.
Chicago Style (17th ed.) Zitazioa
Jon N.Leonard eta Hofewr,and Prikin N. Live Longer Now: The First One Hundred Years Life. New York: Grosset and Dunlap, 1974.
MLA (9th ed.) Zitazioa
Jon N.Leonard eta Hofewr,and Prikin N. Live Longer Now: The First One Hundred Years Life. Grosset and Dunlap, 1974.
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