Cita APA (7a ed.)

American Physiological Society, editor, Schultz, S. G., & Wood, J. D. (1989). The gastrointestinal system. American Physiological Society.

Cita Chicago Style (17a ed.)

American Physiological Society, editor, Stanley G. Schultz, y Jack D. Wood. The Gastrointestinal System. Bethesda: American Physiological Society, 1989.

Cita MLA (9a ed.)

American Physiological Society, editor, et al. The Gastrointestinal System. American Physiological Society, 1989.