Gaya APA

Swanson, C, P., Kohn, H. (). **Reflection on modern history the historian and human responsibility . New: New Jersey: D.Van Nostrand Company; 1963.

Gaya MLA

Swanson, Carl, P.., Kohn, Hans. "**Reflection on modern history the historian and human responsibility". New: New Jersey: D.Van Nostrand Company; 1963, . Text.