APA (7th ed.) Citation

Richards, J. C. Interchange. English for international communication. Student's Books 1.

Chicago Style (17th ed.) Citation

Richards, Jack C. Interchange. English for International Communication. Student's Books 1.

MLA (8th ed.) Citation

Richards, Jack C. Interchange. English for International Communication. Student's Books 1.

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