APA

Greenspan D., . (1960). Theory and solution of ordinary differential equations. New York: Macmillan.

Chicago

Greenspan Donald, . 1960. Theory and solution of ordinary differential equations. New York: Macmillan.

Harvard

Greenspan D., . (1960). Theory and solution of ordinary differential equations. New York: Macmillan.

MLA

Greenspan Donald, . Theory and solution of ordinary differential equations. New York: Macmillan. 1960.