APA (7th ed.) Citation

Willey. (1966). Life nature library The poles. Time life international.

Chicago Style (17th ed.) Citation

Willey. Life Nature Library The Poles. Nederland: Time life international, 1966.

MLA (9th ed.) Citation

Willey. Life Nature Library The Poles. Time life international, 1966.

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