APA (7th ed.) Citation

Gagg, J. C., & Ritchie, T. (1962). People of the world (Geography.). Chatto & Windus.

Chicago Style (17th ed.) Citation

Gagg, J. C., and T. Ritchie. People of the World. Geography. London: Chatto & Windus, 1962.

MLA (9th ed.) Citation

Gagg, J. C., and T. Ritchie. People of the World. Geography. Chatto & Windus, 1962.

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