An introduction to romance linguistics : its schools and scholars

MLA

Iordan, Iorgu, John Orr, and Rebecca Posner. An Introduction to Romance Linguistics : Its Schools and Scholars. [2d ed.] Oxford: Blackwell, 1970.

APA

Iordan, I., Orr, J., & Posner, R. (1970). An introduction to romance linguistics : its schools and scholars. [2d ed.] Oxford: Blackwell.

Chicago

Iordan, Iorgu, and Rebecca Posner. An Introduction to Romance Linguistics: Its Schools and Scholars. Edited by John Orr. [2d ed.] Oxford: Blackwell, 1970.