APA (7th ed.) Citation

Guinery, M. (1979). Aprender a estudiar (5. ed.). Fontanella.

Chicago Style (17th ed.) Citation

Guinery, Michael. Aprender a Estudiar. 5. ed. Barcelona: Fontanella, 1979.

MLA (9th ed.) Citation

Guinery, Michael. Aprender a Estudiar. 5. ed. Fontanella, 1979.

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