APA Edition Citation

Buckley, E. A. (1961). How to increase sales with letters. McGraw Hill.

Chicago Edition Citation

Buckley, Earle A. How to Increase Sales with Letters. McGraw Hill, 1961.

MLA Edition Citation

Buckley, Earle A. How to Increase Sales with Letters. McGraw Hill, 1961.

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