Citazione APA

Reid, A. H., Fanning, T. G., Hultin, J. V., & Taubenberger, J. K. (1999). Origin and evolution of the 1918 “Spanish” influenza virus hemagglutinin gene. The National Academy of Sciences.

Stile di citazione Chicago

Reid, Ann H., Thomas G. Fanning, Johan V. Hultin, e Jeffery K. Taubenberger. Origin and Evolution of the 1918 “Spanish” Influenza Virus Hemagglutinin Gene. The National Academy of Sciences, 1999.

Citazione MLA

Reid, Ann H., Thomas G. Fanning, Johan V. Hultin, e Jeffery K. Taubenberger. Origin and Evolution of the 1918 “Spanish” Influenza Virus Hemagglutinin Gene. The National Academy of Sciences, 1999.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.