APA (7th ed.) Citation

Marriott, W. M. (1930). Keeping baby well. [publisher not identified].

Chicago Style (17th ed.) Citation

Marriott, W. McKim. Keeping Baby Well. [Place of publication not identified]: [publisher not identified], 1930.

MLA (9th ed.) Citation

Marriott, W. McKim. Keeping Baby Well. [publisher not identified], 1930.