APA (7th ed.) Citation

Stockwell, R. P., Bowen, J. D., & Martin, J. W. (1965). The grammatical structures of English and Spanish. University Press.

Chicago Style (17th ed.) Citation

Stockwell, Robert P., J. Donald Bowen, and John Watson Martin. The Grammatical Structures of English and Spanish. Chicago [etc.]: University Press, 1965.

MLA (9th ed.) Citation

Stockwell, Robert P., et al. The Grammatical Structures of English and Spanish. University Press, 1965.