Cita APA (7a ed.)

Praetzel, G., Warnke, E. F., & Jaskolski, T. (1970). Microphone recording technique. Sennheiser.

Cita Chicago Style (17a ed.)

Praetzel, G., E. F. Warnke, y T.M Jaskolski. Microphone Recording Technique. [Hannover, West Germany]: Sennheiser, 1970.

Cita MLA (8a ed.)

Praetzel, G., et al. Microphone Recording Technique. Sennheiser, 1970.