APA (7th ed.) Citation

Gregory, J. B., Wicks, J. M., & Martin, O. (1979). Effective social studies (New, 3. [Aufl.].).

Chicago Style (17th ed.) Citation

Gregory, J. B., J. M. Wicks, and Owen Martin. Effective Social Studies. New, 3. [Aufl.]. 1979.

MLA (9th ed.) Citation

Gregory, J. B., et al. Effective Social Studies. New, 3. [Aufl.]. 1979.