APA引文

Erwin Beck, J. B., & Beck, E. (2017). Gradients in a tropical mountain ecosystem of Ecuador. Springer.

Chicago Style Citation

Erwin Beck, Jörg Bendix, and Erwin Beck. Gradients in a Tropical Mountain Ecosystem of Ecuador. Springer, 2017.

MLA引文

Erwin Beck, Jörg Bendix, and Erwin Beck. Gradients in a Tropical Mountain Ecosystem of Ecuador. Springer, 2017.

警告：這些引文格式不一定是100％准確.