APA (7th ed.) Citation

ELT & Haines, S. (1989). Outsiders. ELT.

Chicago Style (17th ed.) Citation

ELT and Simon Haines. Outsiders. Aylesbury: ELT, 1989.

MLA (8th ed.) Citation

ELT and Simon Haines. Outsiders. ELT, 1989.

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