Cita APA (7th ed.)

Peckworth, H. F. (1951). Concrete pipe handbook.

Cita Chicago (17th ed.)

Peckworth, Howard Faron. Concrete Pipe Handbook. Chicago, American Concrete Pipe Association, Chicago, 1951.

Cita MLA (9th ed.)

Peckworth, Howard Faron. Concrete Pipe Handbook. 1951.