APA (7th ed.) Citation

Hörmander, L. (1964). Linear partial differential operators (Second revised printing.). Springer-Verlag.

Chicago Style (17th ed.) Citation

Hörmander, Lars. Linear Partial Differential Operators. Second revised printing. Berlin ; Heidelberg: Springer-Verlag, 1964.

MLA (9th ed.) Citation

Hörmander, Lars. Linear Partial Differential Operators. Second revised printing. Springer-Verlag, 1964.