APA (7th ed.) Citation

Yarbrough, W., Bruner, C. V., & Hancox, H. F. (1943). A history of the United States for High Schools: A modified unit plan. Laidlaw.

Chicago Style (17th ed.) Citation

Yarbrough, William, Clarence Vernon Bruner, and Herbert French Hancox. A History of the United States for High Schools: A Modified Unit Plan. Chicago [u.a.]: Laidlaw, 1943.

MLA (9th ed.) Citation

Yarbrough, William, et al. A History of the United States for High Schools: A Modified Unit Plan. Laidlaw, 1943.