Cita APA (7a ed.)

Gmeiner, E. (1994). Reduced energy requirement. Sulzer.

Cita Chicago Style (17a ed.)

Gmeiner, Egon. Reduced Energy Requirement. Winterthur: Sulzer, 1994.

Cita MLA (8a ed.)

Gmeiner, Egon. Reduced Energy Requirement. Sulzer, 1994.