APA (7th ed.) Citation

Ley, W. (1966). The poles / by W. Ley. Time-Life International.

Chicago Style (17th ed.) Citation

Ley, W. The Poles / by W. Ley. Time-Life International, 1966.

MLA (9th ed.) Citation

Ley, W. The Poles / by W. Ley. Time-Life International, 1966.

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