APA citiranje

Ferguson, W. K., & Bruun, G. (1930). A survey of European civilization since 1660. Boston: Houghton Mifflin Co.

Παραπομπή Chicago Style

Ferguson, Wallace Klippert, και Geoffrey Bruun. A Survey of European Civilization Since 1660. Boston: Houghton Mifflin Co, 1930.

MLA citiranje

Ferguson, Wallace Klippert, και Geoffrey Bruun. A Survey of European Civilization Since 1660. Boston: Houghton Mifflin Co, 1930.