Citação norma APA
Gesell, S., & Schubert, B. H. (1952). Karl Marx in error: His capital theory clearly and undeniably refuted as unscientific. Free-Economy Association.
Citação norma Chicago
Gesell, Silvio, and B. H. Schubert. Karl Marx in Error: His Capital Theory Clearly and Undeniably Refuted as Unscientific. [Huntington Park, Calif.]: Free-Economy Association, 1952.
Citação norma MLA
Gesell, Silvio, and B. H. Schubert. Karl Marx in Error: His Capital Theory Clearly and Undeniably Refuted as Unscientific. Free-Economy Association, 1952.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.