APA (7th ed.) Citation

Eisenack, G., & Fenske, C. (1978). Fixpunkttheorie. Bibliogr. Inst.

Chicago Style (17th ed.) Citation

Eisenack, Günther, and Christian Fenske. Fixpunkttheorie. Mannheim [u.a.]: Bibliogr. Inst, 1978.

MLA (9th ed.) Citation

Eisenack, Günther, and Christian Fenske. Fixpunkttheorie. Bibliogr. Inst, 1978.