APA (7th ed.) Citation

ALLEN, W. A Course in Living English Book Four. MacMillan and Co. Ltd.

Chicago Style (17th ed.) Citation

ALLEN, W.R. A Course in Living English Book Four. MacMillan and Co. Ltd.

MLA (8th ed.) Citation

ALLEN, W.R. A Course in Living English Book Four. MacMillan and Co. Ltd.

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