Cita APA (7a ed.)

Yeang, K., & Richards, I. (2007). Eco skyscrapers (3a. ed.). Images.

Cita Chicago Style (17a ed.)

Yeang, Ken, y Ivor Richards. Eco Skyscrapers. 3a. ed. Mulgrave: Images, 2007.

Cita MLA (9a ed.)

Yeang, Ken, y Ivor Richards. Eco Skyscrapers. 3a. ed. Images, 2007.