APA Citation

Ley, W. (1980). Life nature library: The poles (2nd ed.). Hong Kong: Times-Life Books.

Chicago Style Citation

Ley, Willy. Life Nature Library: The Poles. 2nd ed. Hong Kong: Times-Life Books, 1980.

MLA Citation

Ley, Willy. Life Nature Library: The Poles. 2nd ed. Hong Kong: Times-Life Books, 1980.

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