APA (7th ed.) Citation

Foote, A. D., Griffin, R. M., Howitt, D., Larsson, L., Miller, P. J. O., & Hoelzel, A. R. (2006). Killer whales are capable of vocal learning. Biology Letters, 2(4), 509.

Chicago Style (17th ed.) Citation

Foote, Andrew D., Rachael M. Griffin, David Howitt, Lisa Larsson, Patrick J. O. Miller, and A. Rus Hoelzel. "Killer Whales Are Capable of Vocal Learning." Biology Letters 2, no. 4 (2006): 509.

MLA (9th ed.) Citation

Foote, Andrew D., et al. "Killer Whales Are Capable of Vocal Learning." Biology Letters, vol. 2, no. 4, 2006, p. 509.