APA Citation

Gethin, H. (1990). Grammar in context: Proficiency level english. London: Collins ELT.

Chicago Style Citation

Gethin, Hugh. Grammar in Context: Proficiency Level English. London: Collins ELT, 1990.

MLA Citation

Gethin, Hugh. Grammar in Context: Proficiency Level English. London: Collins ELT, 1990.

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