Cita APA (7a ed.)

Stephenson, R. W. (1974). Reference Facilities and Services of the Geography and Map Division Library of Congress.

Cita Chicago Style (17a ed.)

Stephenson, Richard W. Reference Facilities and Services of the Geography and Map Division Library of Congress. 1974.

Cita MLA (9a ed.)

Stephenson, Richard W. Reference Facilities and Services of the Geography and Map Division Library of Congress. 1974.