Cita APA (7th ed.)

Heintze, I. (1963). The Organization of the small public library. Unesco.

Cita Chicago (17th ed.)

Heintze, Ingeborg. The Organization of the Small Public Library. Paris: Unesco, 1963.

Cita MLA (9th ed.)

Heintze, Ingeborg. The Organization of the Small Public Library. Unesco, 1963.