APA (7th ed.) Citation

Sein, P., Searson, S., Nicol, A. R., & Hall, K. (1981). Anorexia nervosa and pseudo-atrophy of the brain. British journal of psychiatry, 139, 257. https://doi.org/10.1192/S0007125000133768

Chicago Style (17th ed.) Citation

Sein, P., S. Searson, A R. Nicol, and K. Hall. "Anorexia Nervosa and Pseudo-atrophy of the Brain." British Journal of Psychiatry 139 (1981): 257. https://doi.org/10.1192/S0007125000133768.

MLA (9th ed.) Citation

Sein, P., et al. "Anorexia Nervosa and Pseudo-atrophy of the Brain." British Journal of Psychiatry, vol. 139, 1981, p. 257, https://doi.org/10.1192/S0007125000133768.