APA (7th ed.) Citation

Lawton, W. B. (1930). Market for toys in Mexico. [publisher not identified].

Chicago Style (17th ed.) Citation

Lawton, William B. Market for Toys in Mexico. Washington, D.C.: [publisher not identified], 1930.

MLA (9th ed.) Citation

Lawton, William B. Market for Toys in Mexico. [publisher not identified], 1930.