APA (7th ed.) Citation

Rehkemper, L. J. (1956). Petrology of Springerville area, Apache County, Arizona. [publisher not identified].

Chicago Style (17th ed.) Citation

Rehkemper, Leonard James. Petrology of Springerville Area, Apache County, Arizona. [Place of publication not identified]: [publisher not identified], 1956.

MLA (9th ed.) Citation

Rehkemper, Leonard James. Petrology of Springerville Area, Apache County, Arizona. [publisher not identified], 1956.