APA (7th ed.) Citation

Orr, G., & Ackroyd, D. (1998). History's mysteries: D-Day. A&E Television Networks.

Chicago Style (17th ed.) Citation

Orr, Gregory, and David Ackroyd. History's Mysteries: D-Day. New York, NY: A&E Television Networks, 1998.

MLA (9th ed.) Citation

Orr, Gregory, and David Ackroyd. History's Mysteries: D-Day. A&E Television Networks, 1998.