Cita APA

Johnsen, A. H., Jønson, L., Rourke, I. J., & Rehfeld, J. F. (1997). Elasmobranchs express separate cholecystokinin and gastrin genes. The National Academy of Sciences of the USA.

Citación estilo Chicago

Johnsen, Anders H., Lars Jønson, Ian J. Rourke, y Jens F. Rehfeld. Elasmobranchs Express Separate Cholecystokinin and Gastrin genes. The National Academy of Sciences of the USA, 1997.

Cita MLA

Johnsen, Anders H., Lars Jønson, Ian J. Rourke, y Jens F. Rehfeld. Elasmobranchs Express Separate Cholecystokinin and Gastrin genes. The National Academy of Sciences of the USA, 1997.