Cita APA (7a ed.)

Unzer, J. A., Laycock, T., & Prochaska, G. (1851). The principles of physiology. Syndenham Society.

Cita Chicago Style (17a ed.)

Unzer, Johann August, Thomas Laycock, y Georg Prochaska. The Principles of Physiology. London: Syndenham Society, 1851.

Cita MLA (8a ed.)

Unzer, Johann August, et al. The Principles of Physiology. Syndenham Society, 1851.