APA
Calder M. A., Duguid J. P., Elias-Jones T. F., Fallon R. J., Gillies R. R., Green D. M., Grist N. R., Lawson J. H., Love W. C., McKenzie P., Pinkerton I. W., Ross C. A., Sangster G. & Wilson A. M. (19710115). What causes whooping-cough?. : Lancet (London, England).
Chicago
Calder M A, Duguid J P, Elias-Jones T F, Fallon R J, Gillies R R, Green D M, Grist N R, Lawson J H, Love W C, McKenzie P, Pinkerton I W, Ross C A, Sangster G and Wilson A M. 19710115. What causes whooping-cough?. : Lancet (London, England).
Harvard
Calder M. A., Duguid J. P., Elias-Jones T. F., Fallon R. J., Gillies R. R., Green D. M., Grist N. R., Lawson J. H., Love W. C., McKenzie P., Pinkerton I. W., Ross C. A., Sangster G. and Wilson A. M. (19710115). What causes whooping-cough?. : Lancet (London, England).
MLA
Calder M A, Duguid J P, Elias-Jones T F, Fallon R J, Gillies R R, Green D M, Grist N R, Lawson J H, Love W C, McKenzie P, Pinkerton I W, Ross C A, Sangster G and Wilson A M. What causes whooping-cough?. : Lancet (London, England). 19710115.