APA (7th ed.) Citation

Hynes, M., Winfield, P., & Weston, S. (2007). Discover Science. Macmillan Children Book.

Chicago Style (17th ed.) Citation

Hynes, Margaret, Peter Winfield, and Steve Weston. Discover Science. Macmillan Children Book, 2007.

MLA (9th ed.) Citation

Hynes, Margaret, et al. Discover Science. Macmillan Children Book, 2007.