APA (7th ed.) Citation

Carisella, P. J., & Ryan, J. W. (1969). Who killed the Red Baron?: The final answer. Fawcett.

Chicago Style (17th ed.) Citation

Carisella, P. J., and James W. Ryan. Who Killed the Red Baron?: The Final Answer. Greenwich, Conn.: Fawcett, 1969.

MLA (9th ed.) Citation

Carisella, P. J., and James W. Ryan. Who Killed the Red Baron?: The Final Answer. Fawcett, 1969.