APA (7th ed.) Citation

H.W. Wilson Company. (1935). The Vertical file service catalog. H.W. Wilson.

Chicago Style (17th ed.) Citation

H.W. Wilson Company. The Vertical File Service Catalog. New York: H.W. Wilson, 1935.

MLA (9th ed.) Citation

H.W. Wilson Company. The Vertical File Service Catalog. H.W. Wilson, 1935.

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