APA (7th ed.) Citation

Werner, P. K., Nelson, J. P., & Spaventa, M. (1997). A communicative grammar. Mc-Graw Hill.

Chicago Style (17th ed.) Citation

Werner, Patricia K., John P. Nelson, and Marilynn Spaventa. A Communicative Grammar. Mc-Graw Hill, 1997.

MLA (8th ed.) Citation

Werner, Patricia K., et al. A Communicative Grammar. Mc-Graw Hill, 1997.