APA (7th ed.) Citation

Zimmermann, F. W. (1976). Richard Walzer. Der Islam, 53(1), 1-4. doi:10.1515/islm.1976.53.1.1

Chicago Style (17th ed.) Citation

Zimmermann, Friedrich W. "Richard Walzer." Der Islam 53, no. 1 (1976): 1-4, https://doi.org/10.1515/islm.1976.53.1.1.

MLA (8th ed.) Citation

Zimmermann, Friedrich W. "Richard Walzer." Der Islam, vol. 53, no. 1, 1976, pp. 1-4, https://doi.org/10.1515/islm.1976.53.1.1.