Cita APA (7a ed.)

Hagen, E. E. (1942). Capital theory in a system with no agents fixed in quantity. [s.n.].

Cita Chicago Style (17a ed.)

Hagen, Everett Einar. Capital Theory in a System with No Agents Fixed in Quantity. [S.l.]: [s.n.], 1942.

Cita MLA (9a ed.)

Hagen, Everett Einar. Capital Theory in a System with No Agents Fixed in Quantity. [s.n.], 1942.