Cita APA (7th ed.)

Kristal, F. A., & Annett, F. A. (1953). Pumps: Tipes, selection, installation operation, and maintenance (2a. ed.). McGraw-hill.

Cita Chicago (17th ed.)

Kristal, Frank A., i F. A. Annett. Pumps: Tipes, Selection, Installation Operation, and Maintenance. 2a. ed. Nueva York: McGraw-hill, 1953.

Cita MLA (9th ed.)

Kristal, Frank A., i F. A. Annett. Pumps: Tipes, Selection, Installation Operation, and Maintenance. 2a. ed. McGraw-hill, 1953.