APA (7th ed.) Citation

Lunau, K. (2010). It's life, but not as we know it. Maclean's, 123(50), 61.

Chicago Style (17th ed.) Citation

Lunau, Kate. "It's Life, but Not as We Know It." Maclean's 123, no. 50 (2010): 61.

MLA (9th ed.) Citation

Lunau, Kate. "It's Life, but Not as We Know It." Maclean's, vol. 123, no. 50, 2010, p. 61.