Cita APA (7th ed.)
Reissig, R., Sansone, G., & Conti, R. (1963). Qualitative Theorie nichtlinearer Differentialgleichungen. Ed.Cremonese.
Cita Chicago (17th ed.)
Reissig, Rolf, Giovanni Sansone, i Roberto Conti. Qualitative Theorie Nichtlinearer Differentialgleichungen. Roma: Ed.Cremonese, 1963.
Cita MLA (9th ed.)
Reissig, Rolf, et al. Qualitative Theorie Nichtlinearer Differentialgleichungen. Ed.Cremonese, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.