APA (7th ed.) Citation

Rothstein, S. (1989). The Development of the Concept of Reference Service in American Libraries, 1850-1900.

Chicago Style (17th ed.) Citation

Rothstein, Samuel. The Development of the Concept of Reference Service in American Libraries, 1850-1900. 1989.

MLA (9th ed.) Citation

Rothstein, Samuel. The Development of the Concept of Reference Service in American Libraries, 1850-1900. 1989.

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