APA (7th ed.) Citation

Maxwell, H. P., & Maxwell, P. (1951). Campus days. Philip Maxwell.

Chicago Style (17th ed.) Citation

Maxwell, Helen Purcell, and Philip Maxwell. Campus Days. Evanston, Ill: Philip Maxwell, 1951.

MLA (9th ed.) Citation

Maxwell, Helen Purcell, and Philip Maxwell. Campus Days. Philip Maxwell, 1951.