Citazione Stile APA (7a Edizione)
Schwabik, Š., Tvrdý, M., & Vejvoda, O. (1979). Differential and integral equations: Boundary value problems and adjoints. Academia.
Citazione stile Chigago Style (17a edizione)
Schwabik, Štefan, Milan Tvrdý, e Otto Vejvoda. Differential and Integral Equations: Boundary Value Problems and Adjoints. Praha: Academia, 1979.
Citatione MLA (9a ed.)
Schwabik, Štefan, et al. Differential and Integral Equations: Boundary Value Problems and Adjoints. Academia, 1979.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.