APA (7th ed.) Citation

Lamont, T. W. (1951). Across world frontiers (1st regular ed.). Harcourt, Brace.

Chicago Style (17th ed.) Citation

Lamont, Thomas W. Across World Frontiers. 1st regular ed. New York: Harcourt, Brace, 1951.

MLA (9th ed.) Citation

Lamont, Thomas W. Across World Frontiers. 1st regular ed. Harcourt, Brace, 1951.