Cita APA (7th ed.)

Douthwaite, W. A. (1995). Contact lens optics and lens design (2a. ed.). Butterworth-Heinemann.

Cita Chicago (17th ed.)

Douthwaite, W. A. Contact Lens Optics and Lens Design. 2a. ed. Boston: Butterworth-Heinemann, 1995.

Cita MLA (9th ed.)

Douthwaite, W. A. Contact Lens Optics and Lens Design. 2a. ed. Butterworth-Heinemann, 1995.