Style de citation APA (7e éd.)

Colojoară, I., & Foia—s, C. (1968). Theory of generalized spectral operators. Gordon and Breach.

Style de citation Chicago (17e éd.)

Colojoară, Ion, et Ciprian Foia—s. Theory of Generalized Spectral Operators. New York (N. Y.) ; London ; Paris: Gordon and Breach, 1968.

Style de citation MLA (8e éd.)

Colojoară, Ion, et Ciprian Foia—s. Theory of Generalized Spectral Operators. Gordon and Breach, 1968.