APA (7th ed.) Citation

Zierer, O. (1980). Islam. Kiesel Verlag.

Chicago Style (17th ed.) Citation

Zierer, Otto. Islam. Salzburg: Kiesel Verlag, 1980.

MLA (8th ed.) Citation

Zierer, Otto. Islam. Kiesel Verlag, 1980.

Warning: These citations may not always be 100% accurate.