APA (7th ed.) Citation

Chew, D., & Kirkland, C. (2011). The Chiquerío Formation, southern Peru.

Chicago Style (17th ed.) Citation

Chew, D., and Chris Kirkland. The Chiquerío Formation, Southern Peru. 2011.

MLA (9th ed.) Citation

Chew, D., and Chris Kirkland. The Chiquerío Formation, Southern Peru. 2011.

Warning: These citations may not always be 100% accurate.