APA (7th ed.) Citation

Iordan, I., Orr, J., & Posner, R. (1970). An introduction to Romance linguistics: Its schools and scholars (2. ed.). Univ. of California Press.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Iordan, Iorgu, et al. An Introduction to Romance Linguistics: Its Schools and Scholars. 2. ed. Univ. of California Press, 1970.