APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.