Cita APA (7a ed.)

Pearson, G. H. (1964). The design of valves and fittings. Pitman.

Cita Chicago Style (17a ed.)

Pearson, G. H. The Design of Valves and Fittings. London: Pitman, 1964.

Cita MLA (8a ed.)

Pearson, G. H. The Design of Valves and Fittings. Pitman, 1964.