APA (7th ed.) Citation

Vogt, W. (1961). People! Challenge to survival. Victor Gelleancz.

Chicago Style (17th ed.) Citation

Vogt, William. People! Challenge to Survival. London: Victor Gelleancz, 1961.

MLA (9th ed.) Citation

Vogt, William. People! Challenge to Survival. Victor Gelleancz, 1961.

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