APA (7th ed.) Citation

Knutson, G. (1990). A Comparison of Online and Card Catalog Accuracy.

Chicago Style (17th ed.) Citation

Knutson, Gunnar. A Comparison of Online and Card Catalog Accuracy. 1990.

MLA (9th ed.) Citation

Knutson, Gunnar. A Comparison of Online and Card Catalog Accuracy. 1990.

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