APA (7th ed.) Citation

Heininen, D. L., Exner-Pirot, H., & Plouffe, J. The Arctic Yearbook.

Chicago Style (17th ed.) Citation

Heininen, Dr. Lassi, Heather Exner-Pirot, and Joël Plouffe. The Arctic Yearbook.

MLA (9th ed.) Citation

Heininen, Dr. Lassi, et al. The Arctic Yearbook.