Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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