APA (7th ed.) Citation

Dempsey, J. H., Bass, H. J., Billias, G. A., & Jones Lapsansky, E. Our American Hiritage.

Chicago Style (17th ed.) Citation

Dempsey, Joseph H., Herbert J. Bass, George A. Billias, and Ema Jones Lapsansky. Our American Hiritage.

MLA (8th ed.) Citation

Dempsey, Joseph H., et al. Our American Hiritage.