APA (7th ed.) Citation

Luoma, J. R., & Brimberg, S. (1997). The magic of paper. National Geographic, 191(3), 88.

Chicago Style (17th ed.) Citation

Luoma, Jon R., and Sisse Brimberg. "The Magic of Paper." National Geographic 191, no. 3 (1997): 88.

MLA (9th ed.) Citation

Luoma, Jon R., and Sisse Brimberg. "The Magic of Paper." National Geographic, vol. 191, no. 3, 1997, p. 88.