APA (7th ed.) Citation

Petrovskiĭ, I. G. (1967). Partial differential equations. Saunders.

Chicago Style (17th ed.) Citation

Petrovskiĭ, I. G. Partial Differential Equations. Philadelphia: Saunders, 1967.

MLA (9th ed.) Citation

Petrovskiĭ, I. G. Partial Differential Equations. Saunders, 1967.