APA (7th ed.) Citation

Fitzgibbon, R. H. (1980). The Agatha Christie companion. Bowling Green State University Popular Press.

Chicago Style (17th ed.) Citation

Fitzgibbon, Russell Humke. The Agatha Christie Companion. Bowling Green, Ohio: Bowling Green State University Popular Press, 1980.

MLA (9th ed.) Citation

Fitzgibbon, Russell Humke. The Agatha Christie Companion. Bowling Green State University Popular Press, 1980.

Warning: These citations may not always be 100% accurate.