APA (7th ed.) Citation

Mackin, R., & Seidl, J. (1980). Exercises in English patterns and usage (2nd ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Mackin, Ronald, and Jennifer Seidl. Exercises in English Patterns and Usage. 2nd ed. Oxford: Oxford University Press, 1980.

MLA (9th ed.) Citation

Mackin, Ronald, and Jennifer Seidl. Exercises in English Patterns and Usage. 2nd ed. Oxford University Press, 1980.