APA (7th ed.) Citation

Crilley, A. C. (1932). Concrete mixers; Panama. [publisher not identified].

Chicago Style (17th ed.) Citation

Crilley, A. Cyril. Concrete Mixers; Panama. Washington, D.C.: [publisher not identified], 1932.

MLA (9th ed.) Citation

Crilley, A. Cyril. Concrete Mixers; Panama. [publisher not identified], 1932.