APA (7th ed.) Citation

Haas, W. (1970). Bert Brecht. Frederick Ungar Publishing.

Chicago Style (17th ed.) Citation

Haas, Willy. Bert Brecht. Nueva York: Frederick Ungar Publishing, 1970.

MLA (9th ed.) Citation

Haas, Willy. Bert Brecht. Frederick Ungar Publishing, 1970.