Gaya APA

Reston, J. (1998). The last apocalypse: Europe at the year 1000 A.D. . New York dll: New York dll Doubleday.

Gaya MLA

Reston, James. "The last apocalypse: Europe at the year 1000 A.D. ". New York dll: New York dll Doubleday, 1998. Buku.