APA (7th ed.) Citation

Gilbert, P. T. (1921). The key to culture: Customs, manners and niceties of society. Geographical Pub.

Chicago Style (17th ed.) Citation

Gilbert, Paul Thomas. The Key to Culture: Customs, Manners and Niceties of Society. Chicago: Geographical Pub, 1921.

MLA (9th ed.) Citation

Gilbert, Paul Thomas. The Key to Culture: Customs, Manners and Niceties of Society. Geographical Pub, 1921.