APA citiranje

Raffle, A., Gray, J., & MacDonald, H. R. (1976). Letter: First-aid treatment of poisoning.

Citação norma Chicago

Raffle, A., J. Gray, and H R. MacDonald. Letter: First-aid Treatment of Poisoning. 1976.

MLA citiranje

Raffle, A., J. Gray, and H R. MacDonald. Letter: First-aid Treatment of Poisoning. 1976.