APA (7th ed.) Citation

Bowden, R. D. (1931). In defense of tomorrow. The Macmillan company.

Chicago Style (17th ed.) Citation

Bowden, Robert Douglas. In Defense of Tomorrow. New York: The Macmillan company, 1931.

MLA (9th ed.) Citation

Bowden, Robert Douglas. In Defense of Tomorrow. The Macmillan company, 1931.