Παραπομπή σε μορφή APA (7η εκδ.)

Chernoff, P. R. (1974). Product formulas, nonlinear semigroups, and addition of unbounded operators. American Mathematical Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Chernoff, Paul R. Product Formulas, Nonlinear Semigroups, and Addition of Unbounded Operators. Providence: American Mathematical Society, 1974.

Παραπομπή σε μορφή MLA (9th εκδ.)

Chernoff, Paul R. Product Formulas, Nonlinear Semigroups, and Addition of Unbounded Operators. American Mathematical Society, 1974.