Cita APA (7a ed.)

(1969). Lectures in differential equations. Van Nostrand Reinhold Co.

Cita Chicago Style (17a ed.)

Lectures in Differential Equations. New York: Van Nostrand Reinhold Co, 1969.

Cita MLA (9a ed.)

Lectures in Differential Equations. Van Nostrand Reinhold Co, 1969.