APA (7th ed.) Citation

Biggs, A., Feather, R. M., Jr, Snyder, s. L., & Zike, D. Texas Science: Grade 8. National Geographic Society.

Chicago Style (17th ed.) Citation

Biggs, Alton, Ralph M. Feather, Jr, susan Leach Snyder, and Dinah Zike. Texas Science: Grade 8. New York: National Geographic Society.

MLA (9th ed.) Citation

Biggs, Alton, et al. Texas Science: Grade 8. National Geographic Society.