Cita APA (7th ed.)

Sloane, A. E. (1970). Manual of refraction. Little, Brown.

Cita Chicago (17th ed.)

Sloane, Albert E. Manual of Refraction. Boston: Little, Brown, 1970.

Cita MLA (9th ed.)

Sloane, Albert E. Manual of Refraction. Little, Brown, 1970.

Atenció: Aquestes cites poden no estar 100% correctes.