APA (7th ed.) Citation

Langsam, W. C. (1936). The world since 1914 (3rd ed.). The Macmillan company.

Chicago Style (17th ed.) Citation

Langsam, Walter Consuelo. The World Since 1914. 3rd ed. New York: The Macmillan company, 1936.

MLA (9th ed.) Citation

Langsam, Walter Consuelo. The World Since 1914. 3rd ed. The Macmillan company, 1936.