APA (7th ed.) Citation

Anderson, S. D., Nuttall, C. E., & Shepherd, J. P. (1975). Contrast of past continuous and past simple (New impr.). Longman.

Chicago Style (17th ed.) Citation

Anderson, S. D., C. E. Nuttall, and J. P. Shepherd. Contrast of Past Continuous and Past Simple. New impr. London: Longman, 1975.

MLA (9th ed.) Citation

Anderson, S. D., et al. Contrast of Past Continuous and Past Simple. New impr. Longman, 1975.