APA (7th ed.) Citation

Vogt, W. (1961). People! challenge to survival / by W. Vogt. Gollancz.

Chicago Style (17th ed.) Citation

Vogt, W. People! Challenge to Survival / by W. Vogt. Gollancz, 1961.

MLA (9th ed.) Citation

Vogt, W. People! Challenge to Survival / by W. Vogt. Gollancz, 1961.

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