APA (7th ed.) Citation

Bookstein, A. (1972). Congestion at Card and Book Catalogs--A Queuing-Theory Approach.

Chicago Style (17th ed.) Citation

Bookstein, Abraham. Congestion at Card and Book Catalogs--A Queuing-Theory Approach. 1972.

MLA (9th ed.) Citation

Bookstein, Abraham. Congestion at Card and Book Catalogs--A Queuing-Theory Approach. 1972.

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