Cita APA (7th ed.)
Krall, W. (1941). Krall, Wilhelm: Amni, Dr novem cinctus L.
Cita Chicago (17th ed.)
Krall, Wilhelm. Krall, Wilhelm: Amni, Dr Novem Cinctus L. Münster, 1941.
Cita MLA (9th ed.)
Krall, Wilhelm. Krall, Wilhelm: Amni, Dr Novem Cinctus L. 1941.
Atenció: Aquestes cites poden no estar 100% correctes.