APA (7th ed.) Citation

Gibson, H. W. (1916). Boyology: Or, Boy analysis. Association press.

Chicago Style (17th ed.) Citation

Gibson, H. W. Boyology: Or, Boy Analysis. New York [etc.]: Association press, 1916.

MLA (9th ed.) Citation

Gibson, H. W. Boyology: Or, Boy Analysis. Association press, 1916.