APA (7th ed.) Citation
Scott, H. F., Horn, A., & Gummere, J. F. (1939). Latin Book three. Scott, Foresman and Co.
Chicago Style (17th ed.) Citation
Scott, Harry Fletcher, Annabel Horn, and John Flagg Gummere. Latin Book Three. Chicago [usw.]: Scott, Foresman and Co, 1939.
MLA (9th ed.) Citation
Scott, Harry Fletcher, et al. Latin Book Three. Scott, Foresman and Co, 1939.
Warning: These citations may not always be 100% accurate.