APA (7th ed.) Citation

Downs, R. B. (1942). Resources of New York city libraries, a survey of facilities for advanced study and research. American library association.

Chicago Style (17th ed.) Citation

Downs, Robert B. Resources of New York City Libraries, a Survey of Facilities for Advanced Study and Research. Chicago: American library association, 1942.

MLA (9th ed.) Citation

Downs, Robert B. Resources of New York City Libraries, a Survey of Facilities for Advanced Study and Research. American library association, 1942.

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