APA ציטוט

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

Chicago Edition Citation

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

ציטוט MLA

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