APA (7th ed.) Citation

Townsend, O. C. (1928). Market in Peru. [publisher not identified].

Chicago Style (17th ed.) Citation

Townsend, O. C. Market in Peru. Washington, D.C.: [publisher not identified], 1928.

MLA (9th ed.) Citation

Townsend, O. C. Market in Peru. [publisher not identified], 1928.