Cita APA

Joeckel, C. B. (1938). Library service. United States Gov. Print. Off.

Citación estilo Chicago

Joeckel, Carleton Bruns. Library Service. Washington: United States Gov. Print. Off, 1938.

Cita MLA

Joeckel, Carleton Bruns. Library Service. United States Gov. Print. Off, 1938.