APA (7th ed.) Citation

Àlvarez Garreta, A., & Ballarín i Bargalló, J. (2004). Skyscrapers: Grattacieli = Wolkenkrabbers. Atrium Group.

Chicago Style (17th ed.) Citation

Àlvarez Garreta, Ariadna, and Joaquim Ballarín i Bargalló. Skyscrapers: Grattacieli = Wolkenkrabbers. Barcelona: Atrium Group, 2004.

MLA (9th ed.) Citation

Àlvarez Garreta, Ariadna, and Joaquim Ballarín i Bargalló. Skyscrapers: Grattacieli = Wolkenkrabbers. Atrium Group, 2004.