Weinert. (2013). The March of Time (1.). Springer Berlin Heidelberg.
Cita Chicago (17th ed.)Weinert. The March of Time. 1. Springer Berlin Heidelberg, 2013.
Cita MLA (8th ed.)Weinert. The March of Time. 1. Springer Berlin Heidelberg, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.