Cita APA (7a ed.)

Snowden, A., Donnell, A., & Duffy, T. (2014). Pioneering theories in nursing. Andrews UK.

Cita Chicago Style (17a ed.)

Snowden, Austyn, Allan Donnell, y Tim Duffy. Pioneering Theories in Nursing. London: Andrews UK, 2014.

Cita MLA (8a ed.)

Snowden, Austyn, et al. Pioneering Theories in Nursing. Andrews UK, 2014.