Cita APA

Grabowsky, T., & York, G. (1991). Tropical biology foreign study program, 1991. [Lugar de publicación no identificado]: Darmouth College, Department of Biological Sciences.

Citación estilo Chicago

Grabowsky, Tara, y Gregory York. Tropical Biology Foreign Study Program, 1991. [Lugar de publicación no identificado]: Darmouth College, Department of Biological Sciences, 1991.

Cita MLA

Grabowsky, Tara, y Gregory York. Tropical Biology Foreign Study Program, 1991. [Lugar de publicación no identificado]: Darmouth College, Department of Biological Sciences, 1991.