Cita APA (7a ed.)

Crowley, N., Nelson, M., & Stovin, S. (1957). Epidemiological aspects of and outbreak of encephalomyelitis at the Royal Free Hospital, London, in the summer of 1955. [s.n.].

Cita Chicago Style (17a ed.)

Crowley, Nuala, Merran Nelson, y Sybille Stovin. Epidemiological Aspects of and Outbreak of Encephalomyelitis at the Royal Free Hospital, London, in the Summer of 1955. [S.l.]: [s.n.], 1957.

Cita MLA (9a ed.)

Crowley, Nuala, et al. Epidemiological Aspects of and Outbreak of Encephalomyelitis at the Royal Free Hospital, London, in the Summer of 1955. [s.n.], 1957.