O'Neill, R., Kingsbury, R., & Yeadon, T. (1970). Kernel lessons intermediate: Teacher's book. Longman.
Chicago Style (17th ed.) CitationO'Neill, Robert, Roy Kingsbury, and Tony Yeadon. Kernel Lessons Intermediate: Teacher's Book. London: Longman, 1970.
MLA (9th ed.) CitationO'Neill, Robert, et al. Kernel Lessons Intermediate: Teacher's Book. Longman, 1970.
Warning: These citations may not always be 100% accurate.