Cita APA (7th ed.)

Tan, P. Y., Köhler, M., Peck, S., & Velazquez, L. (2014). Vertical garden city: Singapore. Straits Times Press.

Cita Chicago (17th ed.)

Tan, Puay Yok, Manfred Köhler, Steven Peck, i Linda Velazquez. Vertical Garden City: Singapore. Singapore: Straits Times Press, 2014.

Cita MLA (9th ed.)

Tan, Puay Yok, et al. Vertical Garden City: Singapore. Straits Times Press, 2014.