Cita APA

Petrovskiĭ, I. G. (1967). Partial differential equations. Iliffe Books.

Citación estilo Chicago

Petrovskiĭ, I. G. Partial Differential Equations. London: Iliffe Books, 1967.

Cita MLA

Petrovskiĭ, I. G. Partial Differential Equations. Iliffe Books, 1967.

Warning: These citations may not always be 100% accurate.