APA (7th ed.) Citation

Sherwin, M., & Markmann, C. L. (1961). One week in March. Putnam.

Chicago Style (17th ed.) Citation

Sherwin, Mark, and Charles Lam Markmann. One Week in March. New York: Putnam, 1961.

MLA (9th ed.) Citation

Sherwin, Mark, and Charles Lam Markmann. One Week in March. Putnam, 1961.