Cita APA (7a ed.)
Steffen, W., Richardson, K., Rockström, J., Cornell, S., Fetzer, I., Bennett, E. M., . . . Sorlin, S. (2015). Planetary boundaries: Guiding human development on a changing planet. American Association for the Advancement of Science.
Cita Chicago Style (17a ed.)
Steffen, W., et al. Planetary Boundaries: Guiding Human Development on a Changing Planet. American Association for the Advancement of Science, 2015.
Cita MLA (9a ed.)
Steffen, W., et al. Planetary Boundaries: Guiding Human Development on a Changing Planet. American Association for the Advancement of Science, 2015.
Precaución: Estas citas no son 100% exactas.