APA (7th ed.) Citation

Ifrim, C., Stinnesbeck, W., & Schafhauser, A. (2005). Maastrichtian shallow-water ammonites of northeastern Mexico. Revista mexicana de ciencias geológicas, 22(1), .

Chicago Style (17th ed.) Citation

Ifrim, Christina, Wolfgang Stinnesbeck, and Armin Schafhauser. "Maastrichtian Shallow-water Ammonites of Northeastern Mexico." Revista Mexicana De Ciencias Geológicas 22, no. 1 (2005).

MLA (9th ed.) Citation

Ifrim, Christina, et al. "Maastrichtian Shallow-water Ammonites of Northeastern Mexico." Revista Mexicana De Ciencias Geológicas, vol. 22, no. 1, 2005.