APA (7th ed.) Citation

Robinson, B. (1998). Focus: Interactive grammar for students of ESL (Second edition.). Cambridge University Press.

Chicago Style (17th ed.) Citation

Robinson, Barbara. Focus: Interactive Grammar for Students of ESL. Second edition. Edinburgh: Cambridge University Press, 1998.

MLA (8th ed.) Citation

Robinson, Barbara. Focus: Interactive Grammar for Students of ESL. Second edition. Cambridge University Press, 1998.

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