APA (7th ed.) Citation

Astor, G. (1994). June 6, 1944: The voices of D-day. A Dell Book.

Chicago Style (17th ed.) Citation

Astor, Gerald. June 6, 1944: The Voices of D-day. New York: A Dell Book, 1994.

MLA (8th ed.) Citation

Astor, Gerald. June 6, 1944: The Voices of D-day. A Dell Book, 1994.