Cita APA (7a ed.)

Jacobs, B. F., Kingston, J. D., & Jacobs, L. L. (1999). The Origin of Grass-Dominated Ecosystems. Zenodo.

Cita Chicago Style (17a ed.)

Jacobs, Bonnie F., John D. Kingston, y Louis L. Jacobs. The Origin of Grass-Dominated Ecosystems. Zenodo, 1999.

Cita MLA (9a ed.)

Jacobs, Bonnie F., et al. The Origin of Grass-Dominated Ecosystems. Zenodo, 1999.