APA (7th ed.) Citation
Rymes, R. (1968). Some systems of substitution correlations in modern American English. Mouton.
Chicago Style (17th ed.) Citation
Rymes, Ruth. Some Systems of Substitution Correlations in Modern American English. The Hague, Paris: Mouton, 1968.
MLA (9th ed.) Citation
Rymes, Ruth. Some Systems of Substitution Correlations in Modern American English. Mouton, 1968.
Warning: These citations may not always be 100% accurate.