APA Style
Kauppi, M, V., Viotti, P, R. (2020).
International Relations Theory (7th Edition).
London, UK:
The Rowman & Littlefield Publishing Group, Inc..
MLA Style
Kauppi, Mark, V.., Viotti, Paul, R..
"International Relations Theory".
7th Edition
London, UK:
The Rowman & Littlefield Publishing Group, Inc.,
2020.
Book.