Cita APA (7a ed.)

Barrow, A. R. (1949). The availability of social studies reference books in thirty-five New England libraries.

Cita Chicago Style (17a ed.)

Barrow, Allen R. The Availability of Social Studies Reference Books in Thirty-five New England Libraries. 1949.

Cita MLA (9a ed.)

Barrow, Allen R. The Availability of Social Studies Reference Books in Thirty-five New England Libraries. 1949.