APA (7th ed.) Citation

Kelsey, V., & Osborne, L. d. J. (1939). Four keys to Guatemala. Funk & Wagnalls company.

Chicago Style (17th ed.) Citation

Kelsey, Vera, and Lilly de Jongh Osborne. Four Keys to Guatemala. New York, London: Funk & Wagnalls company, 1939.

MLA (9th ed.) Citation

Kelsey, Vera, and Lilly de Jongh Osborne. Four Keys to Guatemala. Funk & Wagnalls company, 1939.