APA (7th ed.) Citation

Williams, E. B. (1968). From latin to portuguese: Historical phonology and morphology of the portuguese language (2nd ed.). University of Pennsylvania press.

Chicago Style (17th ed.) Citation

Williams, Edwin B. From Latin to Portuguese: Historical Phonology and Morphology of the Portuguese Language. 2nd ed. Philadelphia: University of Pennsylvania press, 1968.

MLA (9th ed.) Citation

Williams, Edwin B. From Latin to Portuguese: Historical Phonology and Morphology of the Portuguese Language. 2nd ed. University of Pennsylvania press, 1968.