APA (7th ed.) Citation

Posner, R., & Green, J. N. (1980). Romance comparative and historical linguistics. Mouton.

Chicago Style (17th ed.) Citation

Posner, Rebecca, and John N. Green. Romance Comparative and Historical Linguistics. The Hague ; New York: Mouton, 1980.

MLA (9th ed.) Citation

Posner, Rebecca, and John N. Green. Romance Comparative and Historical Linguistics. Mouton, 1980.