APA (7th ed.) Citation

Schwartz, I. B. (1988). Infinite primary saddle-node bifurcation in periodically forced systems. Physics letters. A, 126(7), 411-418. https://doi.org/10.1016/0375-9601(88)90802-X

Chicago Style (17th ed.) Citation

Schwartz, Ira B. "Infinite Primary Saddle-node Bifurcation in Periodically Forced Systems." Physics Letters. A 126, no. 7 (1988): 411-418. https://doi.org/10.1016/0375-9601(88)90802-X.

MLA (9th ed.) Citation

Schwartz, Ira B. "Infinite Primary Saddle-node Bifurcation in Periodically Forced Systems." Physics Letters. A, vol. 126, no. 7, 1988, pp. 411-418, https://doi.org/10.1016/0375-9601(88)90802-X.