Cita APA (7a ed.)

Fiegenbaum, A., Sudharshan, D., & Thomas, H. (1990). Strategic time periods and strategic groups research: Concepts and an empirical example. [s.n.].

Cita Chicago Style (17a ed.)

Fiegenbaum, Avi, Devanathan Sudharshan, y Howard Thomas. Strategic Time Periods and Strategic Groups Research: Concepts and an Empirical Example. [S.l.]: [s.n.], 1990.

Cita MLA (9a ed.)

Fiegenbaum, Avi, et al. Strategic Time Periods and Strategic Groups Research: Concepts and an Empirical Example. [s.n.], 1990.