APA (7th ed.) Citation

Clough, S. B., & Warner, C. K. (1964). The European past. Macmillan.

Chicago Style (17th ed.) Citation

Clough, Shepard Bancroft, and Charles K. Warner. The European Past. New York: Macmillan, 1964.

MLA (9th ed.) Citation

Clough, Shepard Bancroft, and Charles K. Warner. The European Past. Macmillan, 1964.