APA (7th ed.) Citation

Zwemer, S. M. (1935). Da Costa's Hagar. The Muslim world, 25(2), 109-114. doi:10.1111/j.1478-1913.1935.tb00070.x

Chicago Style (17th ed.) Citation

Zwemer, Samuel M. "Da Costa's Hagar." The Muslim World 25, no. 2 (1935): 109-114, https://doi.org/10.1111/j.1478-1913.1935.tb00070.x.

MLA (9th ed.) Citation

Zwemer, Samuel M. "Da Costa's Hagar." The Muslim World, vol. 25, no. 2, 1935, pp. 109-114, https://doi.org/10.1111/j.1478-1913.1935.tb00070.x.