Archer, R. L. (1938). Muhammadan Mysticism in Sumatra. The Muslim world, 28(3), 231-238. doi:10.1111/j.1478-1913.1938.tb02440.x
Chicago Style (17th ed.) CitationArcher, Raymond Leroy. "Muhammadan Mysticism in Sumatra." The Muslim World 28, no. 3 (1938): 231-238, https://doi.org/10.1111/j.1478-1913.1938.tb02440.x.
MLA (9th ed.) CitationArcher, Raymond Leroy. "Muhammadan Mysticism in Sumatra." The Muslim World, vol. 28, no. 3, 1938, pp. 231-238, https://doi.org/10.1111/j.1478-1913.1938.tb02440.x.
Warning: These citations may not always be 100% accurate.