MLA

Hjemdahl, Paul, Annika Rosengren, and Andrew Steptoe. Stress and Cardiovascular Disease. Springer London, 2012.

APA

Hjemdahl, P., Rosengren, A., & Steptoe, A. (2012). Stress and Cardiovascular Disease. Springer London.

Chicago

Hjemdahl, Paul, Annika Rosengren, and Andrew Steptoe. Stress and Cardiovascular Disease. : Springer London, 2012.