APA-referens

Kaplan, R. D. (2018). The return of Marco Polo's world: War, strategy, and American interests in the twenty-first century. Random House.

Chicago-stil citat

Kaplan, Robert D. The Return of Marco Polo's World: War, Strategy, and American Interests in the Twenty-first Century. New York: Random House, 2018.

MLA-referens

Kaplan, Robert D. The Return of Marco Polo's World: War, Strategy, and American Interests in the Twenty-first Century. Random House, 2018.