Cita APA (7a ed.)

Newmark, T. E., & Pena, M. (2012). Portfolio for the planet: Lessons from 10 years of impact investing. Earthscan.

Cita Chicago Style (17a ed.)

Newmark, Tammy E., y Michele Pena. Portfolio for the Planet: Lessons from 10 Years of Impact Investing. Milton Park, Abingdon, Oxon ; New York: Earthscan, 2012.

Cita MLA (9a ed.)

Newmark, Tammy E., y Michele Pena. Portfolio for the Planet: Lessons from 10 Years of Impact Investing. Earthscan, 2012.