APA引文

(1972). guide to the natural world and index to the Life nature Library. Time-Life Books.

Chicago Edition Citation

Guide to the Natural World and Index to the Life Nature Library. New York: Time-Life Books, 1972.

MLA引文

Guide to the Natural World and Index to the Life Nature Library. Time-Life Books, 1972.

警告：這些引文格式不一定是100％准確.