Cita APA

Graham, I., Hickey, N., Mulcahy, R., & MacKenzie, G. (1975). Letter: Beta-blockade and myocardial infarction.

Chicago Style Citation

Graham, I., N. Hickey, R. Mulcahy, i G. MacKenzie. Letter: Beta-blockade and Myocardial Infarction. 1975.

Cita MLA

Graham, I., N. Hickey, R. Mulcahy, i G. MacKenzie. Letter: Beta-blockade and Myocardial Infarction. 1975.

Atenció: Aquestes cites poden no estar 100% correctes.