APA (7th ed.) Citation

Mae, A., & Ritchie, D. (1971). Science for the 70's: Book two (full-colour ed.). Heinemann Educational Books.

Chicago Style (17th ed.) Citation

Mae, A.J, and David Ritchie. Science for the 70's: Book Two. full-colour ed. London: Heinemann Educational Books, 1971.

MLA (9th ed.) Citation

Mae, A.J, and David Ritchie. Science for the 70's: Book Two. full-colour ed. Heinemann Educational Books, 1971.