APA (7th ed.) Citation

Zweig, S. (1993). El mundo de ayer (2a.). Porrúa.

Chicago Style (17th ed.) Citation

Zweig, Stefan. El Mundo De Ayer. 2a. México: Porrúa, 1993.

MLA (8th ed.) Citation

Zweig, Stefan. El Mundo De Ayer. 2a. Porrúa, 1993.

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