APA (7th ed.) Citation

Scheffler, H. (1869). The theory of ocular defects and of spectacles. Longmans, Green.

Chicago Style (17th ed.) Citation

Scheffler, Hermann. The Theory of Ocular Defects and of Spectacles. London: Longmans, Green, 1869.

MLA (8th ed.) Citation

Scheffler, Hermann. The Theory of Ocular Defects and of Spectacles. Longmans, Green, 1869.

Warning: These citations may not always be 100% accurate.