APA (7th ed.) Citation

Surlyk, F., Casey, R., & Rawson, P. F. (1973). The Jurassic-Cretaceous boundary in Jameson Land, East Greenland.

Chicago Style (17th ed.) Citation

Surlyk, Finn, R. Casey, and P. F. Rawson. The Jurassic-Cretaceous Boundary in Jameson Land, East Greenland. 1973.

MLA (9th ed.) Citation

Surlyk, Finn, et al. The Jurassic-Cretaceous Boundary in Jameson Land, East Greenland. 1973.