APA (7th ed.) Citation

Clerenger, W., Kalman, S., & Matthews, K. (1992). Why the sky is blue and other wonders of the earth. Grange Books.

Chicago Style (17th ed.) Citation

Clerenger, William, Sharon Kalman, and Kelly Matthews. Why the Sky Is Blue and Other Wonders of the Earth. London: Grange Books, 1992.

MLA (9th ed.) Citation

Clerenger, William, et al. Why the Sky Is Blue and Other Wonders of the Earth. Grange Books, 1992.