APA (7. basım) Alıntı

Geyl, P. (1961). Encounters in history. Peter Smith.

Chicago Style (17. basım) Atıf

Geyl, Pieter. Encounters in History. Gloucester, Mass.: Peter Smith, 1961.

MLA (8th ed.) Atıf

Geyl, Pieter. Encounters in History. Peter Smith, 1961.