Cita APA (7a ed.)

Barney, J. B., & Hoskisson, R. E. (1990). Strategic groups: Untested assertions and research proposals. [s.n.].

Cita Chicago Style (17a ed.)

Barney, Jay B., y Robert E. Hoskisson. Strategic Groups: Untested Assertions and Research Proposals. [S.l.]: [s.n.], 1990.

Cita MLA (9a ed.)

Barney, Jay B., y Robert E. Hoskisson. Strategic Groups: Untested Assertions and Research Proposals. [s.n.], 1990.