(1987). Karl Jahn (1906-1985). Der Islam, 64(1), 4-5. doi:10.1515/islm.1987.64.1.4
Chicago Style (17th ed.) Citation"Karl Jahn (1906-1985)." Der Islam 64, no. 1 (1987): 4-5, https://doi.org/10.1515/islm.1987.64.1.4.
MLA (8th ed.) Citation"Karl Jahn (1906-1985)." Der Islam, vol. 64, no. 1, 1987, pp. 4-5, https://doi.org/10.1515/islm.1987.64.1.4.
Warning: These citations may not always be 100% accurate.