APA (7th ed.) Citation

Confederate States of America. Army of Northern Virginia, Lee, R. E., & Young, H. E. (1863). Circular. [publisher not identified].

Chicago Style (17th ed.) Citation

Confederate States of America. Army of Northern Virginia, Robert E. Lee, and H. E. Young. Circular. [Richmond]: [publisher not identified], 1863.

MLA (9th ed.) Citation

Confederate States of America. Army of Northern Virginia, et al. Circular. [publisher not identified], 1863.