Cita APA (7a ed.)

Robertson, M. (2014). Sustainability: Principles and practice. Routledge.

Cita Chicago Style (17a ed.)

Robertson, Margaret. Sustainability: Principles and Practice. New York: Routledge, 2014.

Cita MLA (9a ed.)

Robertson, Margaret. Sustainability: Principles and Practice. Routledge, 2014.