Cita APA (7th ed.)
Wahl, W. (1940). Radioactivity of caesium.
Cita Chicago (17th ed.)
Wahl, Walter. Radioactivity of Caesium. Helsingfors [usw.], 1940.
Cita MLA (9th ed.)
Wahl, Walter. Radioactivity of Caesium. 1940.
Atenció: Aquestes cites poden no estar 100% correctes.