Cita APA (7a ed.)

Zimmermann, H. (1984). Fuzzy set theory and its applications. Kluwer.

Cita Chicago Style (17a ed.)

Zimmermann, H.-J. Fuzzy Set Theory and Its Applications. Boston [etc.]: Kluwer, 1984.

Cita MLA (9a ed.)

Zimmermann, H.-J. Fuzzy Set Theory and Its Applications. Kluwer, 1984.