APA (7th ed.) Citation

Gruender, H. (1920). Is the ouija-board a harmless toy?: A psychological discussion. Loyola University Press.

Chicago Style (17th ed.) Citation

Gruender, Hubert. Is the Ouija-board a Harmless Toy?: A Psychological Discussion. Chicago: Loyola University Press, 1920.

MLA (9th ed.) Citation

Gruender, Hubert. Is the Ouija-board a Harmless Toy?: A Psychological Discussion. Loyola University Press, 1920.