Cita APA (7a ed.)

Hsu, S. B., & Hubbell, S. P. (1979). Two predators competing for two prey species: An analysis of MacArthur's model. [s.n.].

Cita Chicago Style (17a ed.)

Hsu, S. B., y Stephen P. Hubbell. Two Predators Competing for Two Prey Species: An Analysis of MacArthur's Model. [S.l.]: [s.n.], 1979.

Cita MLA (9a ed.)

Hsu, S. B., y Stephen P. Hubbell. Two Predators Competing for Two Prey Species: An Analysis of MacArthur's Model. [s.n.], 1979.