APA (7th ed.) Citation

Cochran, W. P., Jr. (1930). New Zealand market for adding and calculating machines. [publisher not identified].

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Cochran, William P., Jr. New Zealand Market for Adding and Calculating Machines. [publisher not identified], 1930.