MLA

Björk, David Knud. The Peace of Stralsund, 1370. Cambridge (Mass.): Mediaeval academy of America, 1998.

APA

Björk, D. Knud. (1998). The peace of Stralsund, 1370. Cambridge (Mass.): Mediaeval academy of America.

Chicago

Björk, David Knud The Peace of Stralsund, 1370. Cambridge (Mass.): Mediaeval academy of America, 1998.