Citazione Stile APA (7a Edizione)

Ekeland, I., & Temam, R. (1976). Convex analysis and variational problems. North-Holland.

Citazione stile Chigago Style (17a edizione)

Ekeland, Ivar, e Roger Temam. Convex Analysis and Variational Problems. Amsterdam: North-Holland, 1976.

Citatione MLA (9a ed.)

Ekeland, Ivar, e Roger Temam. Convex Analysis and Variational Problems. North-Holland, 1976.