APA (7th ed.) Citation

Speak-Up & Shanley, J. P. (2008). La duda. RBA revistas.

Chicago Style (17th ed.) Citation

Speak-Up and John Patrick Shanley. La Duda. Barcelona: RBA revistas, 2008.

MLA (9th ed.) Citation

Speak-Up and John Patrick Shanley. La Duda. RBA revistas, 2008.

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