Cita APA (7a ed.)

Font Aulet, X., & Buckley, R. (2001). Tourism ecolabelling: Certification and promotion of sustainable management. CABI.

Cita Chicago Style (17a ed.)

Font Aulet, Xavier, y Ralf Buckley. Tourism Ecolabelling: Certification and Promotion of Sustainable Management. Wallingford [etc.]: CABI, 2001.

Cita MLA (9a ed.)

Font Aulet, Xavier, y Ralf Buckley. Tourism Ecolabelling: Certification and Promotion of Sustainable Management. CABI, 2001.