APA (7th ed.) Citation

Lings, M., & Neumann, W. (1990). Was ist Sufitum? Aurum-Verlag.

Chicago Style (17th ed.) Citation

Lings, Martin, and Wolfgang Neumann. Was Ist Sufitum? Freiburg im Breisgau: Aurum-Verlag, 1990.

MLA (8th ed.) Citation

Lings, Martin, and Wolfgang Neumann. Was Ist Sufitum? Aurum-Verlag, 1990.