APA (7th ed.) Citation

De Angelis, D. L., Post, W. M., & Travis, C. C. (1986). Positive feedback in natural systems. Springer.

Chicago Style (17th ed.) Citation

De Angelis, Donald L., Wilfred M. Post, and Curtis C. Travis. Positive Feedback in Natural Systems. Berlin [u.a.]: Springer, 1986.

MLA (9th ed.) Citation

De Angelis, Donald L., et al. Positive Feedback in Natural Systems. Springer, 1986.