APA Style

Society, N, G. (2018). National Geographic: Planet or Plastic? (June 2018 Vol. 233 No. 6). Washington, D.C., United State: National Geographic Partners.

MLA Style

Society, National, Geographic. "National Geographic: Planet or Plastic?". June 2018 Vol. 233 No. 6 Washington, D.C., United State: National Geographic Partners, 2018. Text.