Cita APA (7th ed.)

Riegel, E. R. (1953). Chemical process machinery (2a. ed.). Reinhold.

Cita Chicago (17th ed.)

Riegel, Emil Raymond. Chemical Process Machinery. 2a. ed. Nueva York: Reinhold, 1953.

Cita MLA (9th ed.)

Riegel, Emil Raymond. Chemical Process Machinery. 2a. ed. Reinhold, 1953.