APA (7th ed.) Citation

Zappler, G., Zappler, L., & Collins, T. (1975). The changing scene: An ecology story. Doubleday.

Chicago Style (17th ed.) Citation

Zappler, Georg, Lisbeth Zappler, and Tricia Collins. The Changing Scene: An Ecology Story. Garden City, N.Y.: Doubleday, 1975.

MLA (9th ed.) Citation

Zappler, Georg, et al. The Changing Scene: An Ecology Story. Doubleday, 1975.