Cita APA (7th ed.)

Gunther, A. (1962). Microphotography in the library. Unesco.

Cita Chicago (17th ed.)

Gunther, Alfred. Microphotography in the Library. Paris: Unesco, 1962.

Cita MLA (8th ed.)

Gunther, Alfred. Microphotography in the Library. Unesco, 1962.