APA (7th ed.) Citation

Perrault, G., & Ortzen, L. (1965). The secret of D-Day. Little, Brown.

Chicago Style (17th ed.) Citation

Perrault, Giles, and Len Ortzen. The Secret of D-Day. Boston: Little, Brown, 1965.

MLA (9th ed.) Citation

Perrault, Giles, and Len Ortzen. The Secret of D-Day. Little, Brown, 1965.