APA (7th ed.) Citation

Howe, D. (2011). Active English Book 4: New Edition (3rd Impression.). Oxford University Press.

Chicago Style (17th ed.) Citation

Howe, D.H. Active English Book 4: New Edition. 3rd Impression. India: Oxford University Press, 2011.

MLA (9th ed.) Citation

Howe, D.H. Active English Book 4: New Edition. 3rd Impression. Oxford University Press, 2011.

Warning: These citations may not always be 100% accurate.