Cita APA (7a ed.)

Osborn, A. D. (1938). The prussian instructions: Rules for the alphabetical catalogs of the Prussian libraries. Univ. of Michigan.

Cita Chicago Style (17a ed.)

Osborn, Andrew D. The Prussian Instructions: Rules for the Alphabetical Catalogs of the Prussian Libraries. Ann Arbor: Univ. of Michigan, 1938.

Cita MLA (9a ed.)

Osborn, Andrew D. The Prussian Instructions: Rules for the Alphabetical Catalogs of the Prussian Libraries. Univ. of Michigan, 1938.