APA (7th ed.) Citation

Watkins, H. E. (1929). Venezuelan market for coin controlled and coin handling machines. [publisher not identified].

Chicago Style (17th ed.) Citation

Watkins, Halbert E. Venezuelan Market for Coin Controlled and Coin Handling Machines. Washington, D.C.: [publisher not identified], 1929.

MLA (9th ed.) Citation

Watkins, Halbert E. Venezuelan Market for Coin Controlled and Coin Handling Machines. [publisher not identified], 1929.

Warning: These citations may not always be 100% accurate.