APA (7th ed.) Citation

Keach, E. T., Barnes, B. R., & Anderson, L. F. (1976). The world around us. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Keach, Everett T., Buckley R. Barnes, and Lee F. Anderson. The World Around Us. Boston [u.a.]: Houghton Mifflin, 1976.

MLA (9th ed.) Citation

Keach, Everett T., et al. The World Around Us. Houghton Mifflin, 1976.