APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

Warning: These citations may not always be 100% accurate.