APA (7th ed.) Citation

Richard, P. R., Orr, J. R., Dietz, R., & Dueck, L. (1998). Sightings of Belugas and Other Marine Mammals in the North Water, Late March 1993.

Chicago Style (17th ed.) Citation

Richard, P. R., J. R. Orr, R. Dietz, and L. Dueck. Sightings of Belugas and Other Marine Mammals in the North Water, Late March 1993. 1998.

MLA (9th ed.) Citation

Richard, P. R., et al. Sightings of Belugas and Other Marine Mammals in the North Water, Late March 1993. 1998.