APA Citation

Leechel, J. W. (1969). How to use Groups. United Stated: Methuem.

Chicago Style Citation

Leechel, J. W. How to Use Groups. United Stated: Methuem, 1969.

MLA Citation

Leechel, J. W. How to Use Groups. United Stated: Methuem, 1969.

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