Engler, A., & Irmscher, E. (1916). Saxifrabaceae - Saxifraga I: Sectiones Boraphila, Hirculus, Robertsonia, Miscopetalum, Cymbalaria, Tridactylites, Nephrophyllum, Dactyloides, spec.I-232 et hybridae. Wilhelm Engelmann.
Chicago Style (17th ed.) CitationEngler, A., and E. Irmscher. Saxifrabaceae - Saxifraga I: Sectiones Boraphila, Hirculus, Robertsonia, Miscopetalum, Cymbalaria, Tridactylites, Nephrophyllum, Dactyloides, Spec.I-232 Et Hybridae. Leipzig: Wilhelm Engelmann, 1916.
MLA (8th ed.) CitationEngler, A., and E. Irmscher. Saxifrabaceae - Saxifraga I: Sectiones Boraphila, Hirculus, Robertsonia, Miscopetalum, Cymbalaria, Tridactylites, Nephrophyllum, Dactyloides, Spec.I-232 Et Hybridae. Wilhelm Engelmann, 1916.
Warning: These citations may not always be 100% accurate.