APA (7th ed.) Citation

Ryan, K. L. (1986). A grammar of the English comparative.

Chicago Style (17th ed.) Citation

Ryan, Karen L. A Grammar of the English Comparative. Bloomington, Ind, 1986.

MLA (9th ed.) Citation

Ryan, Karen L. A Grammar of the English Comparative. 1986.

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