APA (7th ed.) Citation

End, W., Gotthardt, H., & Winkelmann, R. (1983). Softwareentwicklung. Siemens.

Chicago Style (17th ed.) Citation

End, Wolfgang, Horst Gotthardt, and Rolf Winkelmann. Softwareentwicklung. Berlin [u.a.]: Siemens, 1983.

MLA (9th ed.) Citation

End, Wolfgang, et al. Softwareentwicklung. Siemens, 1983.