Cita APA (7a ed.)

Steere, J., Butler, G., & Cooper, P. J. (1990). The anxiety symptoms of bulimia nervosa: A comparitive study. The international journal of eating disorders, 9(3), 293-302.

Cita Chicago Style (17a ed.)

Steere, Jane, Gregory Butler, y P. J. Cooper. "The Anxiety Symptoms of Bulimia Nervosa: A Comparitive Study." The International Journal of Eating Disorders 9, no. 3 (1990): 293-302.

Cita MLA (8a ed.)

Steere, Jane, et al. "The Anxiety Symptoms of Bulimia Nervosa: A Comparitive Study." The International Journal of Eating Disorders, vol. 9, no. 3, 1990, pp. 293-302.