APA (7th ed.) Citation

O'gorman, J. P., Olivero, E. B., Santillana, S., Everhart, M. J., & Reguero, M. A. Gastroliths associated with an Aristonectes specimen (Plesiosauria, Elasmosauridae), López de Bertodano Formation (upper Maastrichtian) Seymour Island (Is. Marambio), Antarctic Peninsula. Cretaceous Research, 50, 228.

Chicago Style (17th ed.) Citation

O'gorman, Jose Patricio, Eduardo Bernardo Olivero, Sergio Santillana, Michael J. Everhart, and Marcelo Alfredo Reguero. "Gastroliths Associated with an Aristonectes Specimen (Plesiosauria, Elasmosauridae), López De Bertodano Formation (upper Maastrichtian) Seymour Island (Is. Marambio), Antarctic Peninsula." Cretaceous Research 50 (): 228.

MLA (9th ed.) Citation

O'gorman, Jose Patricio, et al. "Gastroliths Associated with an Aristonectes Specimen (Plesiosauria, Elasmosauridae), López De Bertodano Formation (upper Maastrichtian) Seymour Island (Is. Marambio), Antarctic Peninsula." Cretaceous Research, vol. 50, , p. 228.