APA (7th ed.) Citation

Howe, D. (2011). Active English Work Book 4: New Edition (2nd Impression.). Oxford University Press.

Chicago Style (17th ed.) Citation

Howe, D.H. Active English Work Book 4: New Edition. 2nd Impression. India: Oxford University Press, 2011.

MLA (9th ed.) Citation

Howe, D.H. Active English Work Book 4: New Edition. 2nd Impression. Oxford University Press, 2011.