Cita APA (7a ed.)

Schulz, E. (1977). The study of incunables: Problems and aims. Philobiblon Club.

Cita Chicago Style (17a ed.)

Schulz, Ernst. The Study of Incunables: Problems and Aims. Philadelphia: Philobiblon Club, 1977.

Cita MLA (9a ed.)

Schulz, Ernst. The Study of Incunables: Problems and Aims. Philobiblon Club, 1977.