APA (7th ed.) Citation

Cockburn, R. C. (1928). Coin controlled and coin handling machines in British India. [publisher not identified].

Chicago Style (17th ed.) Citation

Cockburn, Robert C. Coin Controlled and Coin Handling Machines in British India. Washington, D.C.: [publisher not identified], 1928.

MLA (9th ed.) Citation

Cockburn, Robert C. Coin Controlled and Coin Handling Machines in British India. [publisher not identified], 1928.