APA (7th ed.) Citation

Cummings, D. W. (1988). American English spelling: An informal description. John Hopkins University Press.

Chicago Style (17th ed.) Citation

Cummings, D. W. American English Spelling: An Informal Description. Baltimore: John Hopkins University Press, 1988.

MLA (9th ed.) Citation

Cummings, D. W. American English Spelling: An Informal Description. John Hopkins University Press, 1988.