APA (7th ed.) Citation

Grohmann, A. (1958). The problem of dating early Qur’āns. Der Islam, 33(3), 213-231. doi:10.1515/islm.1958.33.3.213

Chicago Style (17th ed.) Citation

Grohmann, Adolf. "The Problem of Dating Early Qur’āns." Der Islam 33, no. 3 (1958): 213-231, https://doi.org/10.1515/islm.1958.33.3.213.

MLA (9th ed.) Citation

Grohmann, Adolf. "The Problem of Dating Early Qur’āns." Der Islam, vol. 33, no. 3, 1958, pp. 213-231, https://doi.org/10.1515/islm.1958.33.3.213.