Cite
On positronium states in ${\rm{QED_3}}$
MLA
Liu, Chang-Yong, et al. On Positronium States in ${\rm{QED_3}}$. 2020. 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=edsarx&AN=edsarx.2008.04058&authtype=sso&custid=ns315887.
APA
Liu, C.-Y., Li, Y.-W., & Wu, S.-Z. (2020). On positronium states in ${\rm{QED_3}}$.
Chicago
Liu, Chang-Yong, You-Wei Li, and Su-Zhi Wu. 2020. “On Positronium States in ${\rm{QED_3}}$.” 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=edsarx&AN=edsarx.2008.04058&authtype=sso&custid=ns315887.