Cita APA (7a ed.)

Crutchfield, S. R. (1983). A bioeconomic model of an international fishery. [s.n.].

Cita Chicago Style (17a ed.)

Crutchfield, Stephen R. A Bioeconomic Model of an International Fishery. [S.l.]: [s.n.], 1983.

Cita MLA (9a ed.)

Crutchfield, Stephen R. A Bioeconomic Model of an International Fishery. [s.n.], 1983.