APA (7th ed.) Citation

HELM, C., KRAPF, C., SCHULZ, S., HOLLIDAY, M., GOODLEY, D., CASPER, M., . . . JOHNSON, C. (2009). post. Surfer, 50(4), 042.

Chicago Style (17th ed.) Citation

HELM, CHARLES, CHRIS KRAPF, STEVE SCHULZ, MICHAEL HOLLIDAY, DAVID GOODLEY, MICHAEL CASPER, SCOTT BLACKMAN, and CASEY JOHNSON. "Post." Surfer 50, no. 4 (2009): 042.

MLA (9th ed.) Citation

HELM, CHARLES, et al. "Post." Surfer, vol. 50, no. 4, 2009, p. 042.