APA (7th ed.) Citation

Leatherdale, C. (1980). So you want to teach English to foreigners. Abacus Press.

Chicago Style (17th ed.) Citation

Leatherdale, Clive. So You Want to Teach English to Foreigners. Tunbridge Wells [England]: Abacus Press, 1980.

MLA (9th ed.) Citation

Leatherdale, Clive. So You Want to Teach English to Foreigners. Abacus Press, 1980.