Herman, A. (2021). The Viking heart: How Scandinavians conquered the world. Houghton Mifflin Harcourt.
Cita Chicago Style (17a ed.)Herman, Arthur. The Viking Heart: How Scandinavians Conquered the World. Boston: Houghton Mifflin Harcourt, 2021.
Cita MLA (8a ed.)Herman, Arthur. The Viking Heart: How Scandinavians Conquered the World. Houghton Mifflin Harcourt, 2021.
Precaución: Estas citas no son 100% exactas.