APA Style

Grun, B. (1991). The timetables of history : a horizontal linkage of people and events / Bernard. Grun (1). New York.: A Tochston Books..

MLA Style

Grun, Bernard.. "The timetables of history : a horizontal linkage of people and events / Bernard. Grun". 1 New York.: A Tochston Books., 1991. หนังสือ (Book).