Cita APA

Johnson, E. A., & Martin, Y. E. A biogeoscience approach to ecosystems.

Citación estilo Chicago

Johnson, E. A., y Yvonne E. Martin. A Biogeoscience Approach to Ecosystems.

Cita MLA

Johnson, E. A., y Yvonne E. Martin. A Biogeoscience Approach to Ecosystems.