Citazione Stile APA (7a Edizione)

Roussarie, R. (1998). Bifurcation of planar vector fields and Hilbert's sixteenth problem. Birkhauser.

Citazione stile Chigago Style (17a edizione)

Roussarie, Robert. Bifurcation of Planar Vector Fields and Hilbert's Sixteenth Problem. Basilea: Birkhauser, 1998.

Citatione MLA (9a ed.)

Roussarie, Robert. Bifurcation of Planar Vector Fields and Hilbert's Sixteenth Problem. Birkhauser, 1998.