APA (7th ed.) Citation

Schrock, G. (1973). Letters from Alf ([1st ed.].). Harper's Magazine Press.

Chicago Style (17th ed.) Citation

Schrock, Gladden. Letters from Alf. [1st ed.]. New York: Harper's Magazine Press, 1973.

MLA (9th ed.) Citation

Schrock, Gladden. Letters from Alf. [1st ed.]. Harper's Magazine Press, 1973.