APA (7th ed.) Citation

Crawford, C. C. (1930). Studying the major subjects. C.C. Crawford.

Chicago Style (17th ed.) Citation

Crawford, Claude C. Studying the Major Subjects. Los Angeles, Calif.: C.C. Crawford, 1930.

MLA (9th ed.) Citation

Crawford, Claude C. Studying the Major Subjects. C.C. Crawford, 1930.