APA Citation

Engel, F., & Schellbach, K. (1856). Explanations of the xxi plates containing the graphical representations of optics. Schmidt.

MLA Citation

Engel, Ferdinand, and Karl Schellbach. Explanations of the Xxi Plates Containing the Graphical Representations of Optics. Schmidt, 1856.

Warning: These citations have been automatically generated and may not always be 100% accurate..