APA (7th ed.) Citation

Belloc, H., & B. T. B. (1923). The modern traveller. Knopf.

Chicago Style (17th ed.) Citation

Belloc, Hilaire, and B. T. B. The Modern Traveller. New York: Knopf, 1923.

MLA (8th ed.) Citation

Belloc, Hilaire, and B. T. B. The Modern Traveller. Knopf, 1923.