APA (7th ed.) Citation

Metcalfe, J. E. (1958). The right way to improve your English. Elliot Right Way Books.

Chicago Style (17th ed.) Citation

Metcalfe, J. E. The Right Way to Improve Your English. Surrey, U.K.: Elliot Right Way Books, 1958.

MLA (9th ed.) Citation

Metcalfe, J. E. The Right Way to Improve Your English. Elliot Right Way Books, 1958.