APA (7th ed.) Citation

Birk, N. P., & Birk, G. B. (1972). Practice for understanding and using English: Eighty exercises. Odyssey Press.

Chicago Style (17th ed.) Citation

Birk, Newman Peter, and Genevieve Blane Birk. Practice for Understanding and Using English: Eighty Exercises. Indianapolis: Odyssey Press, 1972.

MLA (9th ed.) Citation

Birk, Newman Peter, and Genevieve Blane Birk. Practice for Understanding and Using English: Eighty Exercises. Odyssey Press, 1972.