APA (7th ed.) Citation

Helmholz, R. H., Caesar, J., Eden, T., Colman, W., & Selden Society. (2011). Three civilian notebooks, 1580-1640. Selden Society.

Chicago Style (17th ed.) Citation

Helmholz, R. H., Julius Caesar, Thomas Eden, William Colman, and Selden Society. Three Civilian Notebooks, 1580-1640. London: Selden Society, 2011.

MLA (8th ed.) Citation

Helmholz, R. H., et al. Three Civilian Notebooks, 1580-1640. Selden Society, 2011.