APA (7th ed.) Citation

Korinzukai & Gethin, H. (1983). Grammar in context: Proficiency level english. Collins.

Chicago Style (17th ed.) Citation

Korinzukai and Hugh Gethin. Grammar in Context: Proficiency Level English. London: Collins, 1983.

MLA (8th ed.) Citation

Korinzukai and Hugh Gethin. Grammar in Context: Proficiency Level English. Collins, 1983.

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