Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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