APA Citation

Haas, W. n. 1., & Haas, W. n. 1. (1971). Bert Brecht (1. edition.). Nueva York: Frederick Ungar Pub..

Chicago Style Citation

Haas, Willy n. 1891, and Willy n. 1891 Haas. Bert Brecht. 1. edition. Nueva York: Frederick Ungar Pub., 1971.

MLA Citation

Haas, Willy n. 1891, and Willy n. 1891 Haas. Bert Brecht. 1. edition. Nueva York: Frederick Ungar Pub., 1971.

Warning: These citations may not always be 100% accurate.