Cita APA (7a ed.)

Peekworth, H. F. (1961). Concrete pipe for irrigation and drainage.

Cita Chicago Style (17a ed.)

Peekworth, Howard Faron. Concrete Pipe for Irrigation and Drainage. Chicago, Ill., American concrete pipe association, 1961.

Cita MLA (9a ed.)

Peekworth, Howard Faron. Concrete Pipe for Irrigation and Drainage. 1961.