Cita APA (7a ed.)

Xu, Z. (2014). Hesitant Fuzzy Sets Theory. Springer International Publishing : Imprint: Springer.

Cita Chicago Style (17a ed.)

Xu, Zeshui. Hesitant Fuzzy Sets Theory. Cham: Springer International Publishing : Imprint: Springer, 2014.

Cita MLA (8a ed.)

Xu, Zeshui. Hesitant Fuzzy Sets Theory. Springer International Publishing : Imprint: Springer, 2014.