APA (7th ed.) Citation

Nuttall, C. E., & Gaist, J. (1973). Contrast of present simple and present continuous tenses (New impr.). Longman.

Chicago Style (17th ed.) Citation

Nuttall, C. E., and J. Gaist. Contrast of Present Simple and Present Continuous Tenses. New impr. London: Longman, 1973.

MLA (9th ed.) Citation

Nuttall, C. E., and J. Gaist. Contrast of Present Simple and Present Continuous Tenses. New impr. Longman, 1973.