Cita APA (7a ed.)

Helmstadter, C., & Godden, J. (2011). Nursing before Nightingale, 1815-1899. Ashgate Pub.

Cita Chicago Style (17a ed.)

Helmstadter, Carol, y Judith Godden. Nursing Before Nightingale, 1815-1899. Farnham, England ; Burlington, Vt.: Ashgate Pub, 2011.

Cita MLA (9a ed.)

Helmstadter, Carol, y Judith Godden. Nursing Before Nightingale, 1815-1899. Ashgate Pub, 2011.