Cita APA (7th ed.)

DeAngelis, D. L., Post, W. M., & Travis, C. C. Positive Feedback in Natural Systems. Springer International Publishing.

Cita Chicago (17th ed.)

DeAngelis, Donald Lee, Wilfried M. Post, i Curtis C. Travis. Positive Feedback in Natural Systems. Cham: Springer International Publishing.

Cita MLA (8th ed.)

DeAngelis, Donald Lee, et al. Positive Feedback in Natural Systems. Springer International Publishing.