APA (7th ed.) Citation

Don, I., Green, C., & Green, E. (1985). Baby. W. H. Allen.

Chicago Style (17th ed.) Citation

Don, Ian, Clifford Green, and Ellen Green. Baby. London: W. H. Allen, 1985.

MLA (9th ed.) Citation

Don, Ian, et al. Baby. W. H. Allen, 1985.