APA (7th ed.) Citation

Gigon, A., Guyer, M., & Jerusalem, F. (2015). Residential towers. GTA Verlag.

Chicago Style (17th ed.) Citation

Gigon, Annette, Mike Guyer, and Felix Jerusalem. Residential Towers. Zürich: GTA Verlag, 2015.

MLA (8th ed.) Citation

Gigon, Annette, et al. Residential Towers. GTA Verlag, 2015.