APA (7th ed.) Citation

Chapman, G. P., & Peats, W. E. (1992). An introduction to the grasses. C. A. B. International.

Chicago Style (17th ed.) Citation

Chapman, G. P., and W. E. Peats. An Introduction to the Grasses. Wallingford, U. K: C. A. B. International, 1992.

MLA (9th ed.) Citation

Chapman, G. P., and W. E. Peats. An Introduction to the Grasses. C. A. B. International, 1992.