APA (7th ed.) Citation

Iordan, I., Orr, J., & Posner, R. (1970). An introduction to Romance linguistics, its schools and scholars ([2d ed.].). University of California Press.

Chicago Style (17th ed.) Citation

Iordan, Iorgu, John Orr, and Rebecca Posner. An Introduction to Romance Linguistics, Its Schools and Scholars. [2d ed.]. Berkeley: University of California Press, 1970.

MLA (9th ed.) Citation

Iordan, Iorgu, et al. An Introduction to Romance Linguistics, Its Schools and Scholars. [2d ed.]. University of California Press, 1970.