Cita APA

Witte, K. K. A., Cleland, J. G. F., & Clark, A. L. (2006). Chronic heart failure, chronotropic incompetence, and the effects of β blockade. BMJ Group.

Chicago Style Citation

Witte, K K A., J G F. Cleland, i A L. Clark. Chronic Heart Failure, Chronotropic Incompetence, and the Effects of β Blockade. BMJ Group, 2006.

Cita MLA

Witte, K K A., J G F. Cleland, i A L. Clark. Chronic Heart Failure, Chronotropic Incompetence, and the Effects of β Blockade. BMJ Group, 2006.