APA (7th ed.) Citation

Martin Esteban & Carranza, A. (2008). The gaudi key: Unlock the secret of the century (First edition.). HarperCollins.

Chicago Style (17th ed.) Citation

Martin Esteban and Andreu Carranza. The Gaudi Key: Unlock the Secret of the Century. First edition. London: HarperCollins, 2008.

MLA (9th ed.) Citation

Martin Esteban and Andreu Carranza. The Gaudi Key: Unlock the Secret of the Century. First edition. HarperCollins, 2008.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.