APA (7th ed.) Citation

Leech, J. W. (1969). How to use groups. Mathuen and Co. Ltd.

Chicago Style (17th ed.) Citation

Leech, J. W. How to Use Groups. London: Mathuen and Co. Ltd, 1969.

MLA (9th ed.) Citation

Leech, J. W. How to Use Groups. Mathuen and Co. Ltd, 1969.

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