APA (7th ed.) Citation

Kennedy, W. H. J., Mulhall, L., & Dunn, M. J. (1946). Before America began. Benziger Brothers.

Chicago Style (17th ed.) Citation

Kennedy, William H. J., Leonita Mulhall, and Mary Joseph Dunn. Before America Began. Nueva York: Benziger Brothers, 1946.

MLA (9th ed.) Citation

Kennedy, William H. J., et al. Before America Began. Benziger Brothers, 1946.