APA (7th ed.) Citation

Du Plessis, A., & Tari, F. (1992). On gradient extremals.

Chicago Style (17th ed.) Citation

Du Plessis, Andrew, and Farid Tari. On Gradient Extremals. Aarhus, 1992.

MLA (9th ed.) Citation

Du Plessis, Andrew, and Farid Tari. On Gradient Extremals. 1992.