Cita APA (7th ed.)

Gaffert, G. A. (1952). Steam power stations (4a. ed.). McGraw Hill.

Cita Chicago (17th ed.)

Gaffert, Gustaf A. Steam Power Stations. 4a. ed. Nueva York: McGraw Hill, 1952.

Cita MLA (9th ed.)

Gaffert, Gustaf A. Steam Power Stations. 4a. ed. McGraw Hill, 1952.

Atenció: Aquestes cites poden no estar 100% correctes.