Cita APA

Witte, U. (1976). Steam generation (23d ed.). Vulkan: Verlag.

Chicago Edition Citation

Witte, U. Steam Generation. 23d ed. Essen: Vulkan: Verlag, 1976.

Cita MLA

Witte, U. Steam Generation. 23d ed. Vulkan: Verlag, 1976.