APA

Bergman K., . (1927). The history of reparations. Boston: Houghton.

Chicago

Bergman Karl, . 1927. The history of reparations. Boston: Houghton.

Harvard

Bergman K., . (1927). The history of reparations. Boston: Houghton.

MLA

Bergman Karl, . The history of reparations. Boston: Houghton. 1927.