Cita APA (7a ed.)

Hobbs, H. E. (1965). Principles of ophthalmology. Heinemann.

Cita Chicago Style (17a ed.)

Hobbs, H. E. Principles of Ophthalmology. London: Heinemann, 1965.

Cita MLA (8a ed.)

Hobbs, H. E. Principles of Ophthalmology. Heinemann, 1965.