APA (7th ed.) Citation

Posner, R. (1966). The romance languages: A linguistic introdruction. Anchor Books.

Chicago Style (17th ed.) Citation

Posner, Rebecca. The Romance Languages: A Linguistic Introdruction. Garden City, N.Y: Anchor Books, 1966.

MLA (9th ed.) Citation

Posner, Rebecca. The Romance Languages: A Linguistic Introdruction. Anchor Books, 1966.

Warning: These citations may not always be 100% accurate.