APA (7th ed.) Citation

BURY,Christopher, POTTER, M., & WINTER, M. (1990). Student practice book 7: Video english. Macmillan Pub.

Chicago Style (17th ed.) Citation

BURY,Christopher, Mike POTTER, and Michael WINTER. Student Practice Book 7: Video English. London: Macmillan Pub, 1990.

MLA (9th ed.) Citation

BURY,Christopher, et al. Student Practice Book 7: Video English. Macmillan Pub, 1990.