Cita APA (7th ed.)

Istratescu, V. I. (1981). Fixed point theory: An introduction (1a. ed.). D. Reidel Publishing Company.

Cita Chicago (17th ed.)

Istratescu, Vasile I. Fixed Point Theory: An Introduction. 1a. ed. Dordrecht: D. Reidel Publishing Company, 1981.

Cita MLA (9th ed.)

Istratescu, Vasile I. Fixed Point Theory: An Introduction. 1a. ed. D. Reidel Publishing Company, 1981.