APA (7th ed.) Citation

Ballin, W. (1990). Perfect your English: The easy way. Printice Hall.

Chicago Style (17th ed.) Citation

Ballin, W.H. Perfect Your English: The Easy Way. Printice Hall, 1990.

MLA (8th ed.) Citation

Ballin, W.H. Perfect Your English: The Easy Way. Printice Hall, 1990.

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