APA (7th ed.) Citation

Ledermann, W. (1977). Introduction to group characters (1. publication.). Cambridge University Press.

Chicago Style (17th ed.) Citation

Ledermann, Walter. Introduction to Group Characters. 1. publication. Cambridge [u.a.]: Cambridge University Press, 1977.

MLA (9th ed.) Citation

Ledermann, Walter. Introduction to Group Characters. 1. publication. Cambridge University Press, 1977.