APA (7th ed.) Citation

Clum, H. D. (1932). Living and office operating costs in Ecuador. [publisher not identified].

Chicago Style (17th ed.) Citation

Clum, Harold D. Living and Office Operating Costs in Ecuador. Washington, D.C.: [publisher not identified], 1932.

MLA (9th ed.) Citation

Clum, Harold D. Living and Office Operating Costs in Ecuador. [publisher not identified], 1932.