APA (7th ed.) Citation

Cochran, W. P., Jr. (1930). Market for typewriters and bookkeeping machines in New Zealand. [publisher not identified].

Chicago Style (17th ed.) Citation

Cochran, William P., Jr. Market for Typewriters and Bookkeeping Machines in New Zealand. Washington, D.C.: [publisher not identified], 1930.

MLA (9th ed.) Citation

Cochran, William P., Jr. Market for Typewriters and Bookkeeping Machines in New Zealand. [publisher not identified], 1930.