APA (7th ed.) Citation

Post, M. D. (1920). The mystery at the Blue Villa. D. Appleton.

Chicago Style (17th ed.) Citation

Post, Melville Davisson. The Mystery at the Blue Villa. New York: D. Appleton, 1920.

MLA (8th ed.) Citation

Post, Melville Davisson. The Mystery at the Blue Villa. D. Appleton, 1920.

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