Cita APA (7a ed.)

O'Neill, D., Hansell, P., & Perkins, E. S. (1994). Perkins and Hansell's atlas of diseases of the eye (4th ed.). Butterworth-Heinemann.

Cita Chicago Style (17a ed.)

O'Neill, Damian, Peter Hansell, y Edward S. Perkins. Perkins and Hansell's Atlas of Diseases of the Eye. 4th ed. Oxford: Butterworth-Heinemann, 1994.

Cita MLA (8a ed.)

O'Neill, Damian, et al. Perkins and Hansell's Atlas of Diseases of the Eye. 4th ed. Butterworth-Heinemann, 1994.