APA (7th ed.) Citation

Hider, P. (2009). Library Resource Categories and Their Possible Groupings.

Chicago Style (17th ed.) Citation

Hider, Philip. Library Resource Categories and Their Possible Groupings. 2009.

MLA (9th ed.) Citation

Hider, Philip. Library Resource Categories and Their Possible Groupings. 2009.

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