Franklin

MLA

Weise, Erich, and Elise Deckner. The Ancient Prussians. Elbing: Preussenverlag, 1934.

APA

Weise, E., & Deckner, E. (1934). The ancient Prussians. Elbing: Preussenverlag.

Chicago

Weise, Erich., and Elise Deckner. The Ancient Prussians. Elbing: Preussenverlag, 1934.