Cita APA

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

Citación estilo Chicago

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

Cita MLA

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

Warning: These citations may not always be 100% accurate.