Luther, M., Campanius Holm, J., & Collijn, I. (1937). Martin Luther's Little catechism. [I. Haeggström].
Chicago Style (17th ed.) CitationLuther, Martin, Johan Campanius Holm, and Isak Collijn. Martin Luther's Little Catechism. [Stockholm]: [I. Haeggström], 1937.
MLA (9th ed.) CitationLuther, Martin, et al. Martin Luther's Little Catechism. [I. Haeggström], 1937.
Warning: These citations may not always be 100% accurate.