Cite
[The primary structure of the hemagglutinin gene of strain A/Riga/9977/86--a drift variant of influenza virus A(H3N2)].
MLA
Petrov, N. A., et al. “[The Primary Structure of the Hemagglutinin Gene of Strain A/Riga/9977/86--a Drift Variant of Influenza Virus A(H3N2)].” Voprosy Virusologii, vol. 35, no. 5, Sept. 1990, pp. 372–73. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=cmedm&AN=2267777&authtype=sso&custid=ns315887.
APA
Petrov, N. A., Vasilenko, S. K., Gorbunov, I. A., Vtorushina, I. A., Grinbaum, E. B., Litvinova, O. M., Luzianina, T. I., & Golubev, D. B. (1990). [The primary structure of the hemagglutinin gene of strain A/Riga/9977/86--a drift variant of influenza virus A(H3N2)]. Voprosy Virusologii, 35(5), 372–373.
Chicago
Petrov, N A, S K Vasilenko, Iu A Gorbunov, I A Vtorushina, E B Grinbaum, O M Litvinova, T Ia Luzianina, and D B Golubev. 1990. “[The Primary Structure of the Hemagglutinin Gene of Strain A/Riga/9977/86--a Drift Variant of Influenza Virus A(H3N2)].” Voprosy Virusologii 35 (5): 372–73. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=cmedm&AN=2267777&authtype=sso&custid=ns315887.