Lie, S., & Engel, F. (1970). Theorie der transformationsgruppen (2nd ed.). Chelsea.
Chicago Style (17th ed.) CitationLie, Sophus, and Friedrich Engel. Theorie Der Transformationsgruppen. 2nd ed. New York: Chelsea, 1970.
MLA (8th ed.) CitationLie, Sophus, and Friedrich Engel. Theorie Der Transformationsgruppen. 2nd ed. Chelsea, 1970.
Warning: These citations may not always be 100% accurate.