APA (7th ed.) Citation

Maddin, R., Muhly, J. D., & Wheeler, T. S. (1980). Distinguishing Artifacts Made of Native Copper.

Chicago Style (17th ed.) Citation

Maddin, R., J. D. Muhly, and T. S. Wheeler. Distinguishing Artifacts Made of Native Copper. 1980.

MLA (8th ed.) Citation

Maddin, R., et al. Distinguishing Artifacts Made of Native Copper. 1980.