APA (7th ed.) Citation
Petrovskii, I. G. (1954). Lectures in partial differential equations. Interscience publ..
Chicago Style (17th ed.) Citation
Petrovskii, Ivan Georgievich. Lectures in Partial Differential Equations. New York: Interscience publ., 1954.
MLA (9th ed.) Citation
Petrovskii, Ivan Georgievich. Lectures in Partial Differential Equations. Interscience publ., 1954.
Warning: These citations may not always be 100% accurate.