APA (7th ed.) Zitazioa

Riegel, E. R. (1944). Chemical machinery. Reinhold.

Chicago Style (17th ed.) Zitazioa

Riegel, Emil Raymond. Chemical Machinery. Nueva York: Reinhold, 1944.

MLA (9th ed.) Zitazioa

Riegel, Emil Raymond. Chemical Machinery. Reinhold, 1944.