APA (7th ed.) Citation

Cohen, A. (1933). An elementary treatise on differential equations (2nd ed., completely rev.). D.C. Heath and company.

Chicago Style (17th ed.) Citation

Cohen, Abraham. An Elementary Treatise on Differential Equations. 2nd ed., completely rev. Boston: D.C. Heath and company, 1933.

MLA (9th ed.) Citation

Cohen, Abraham. An Elementary Treatise on Differential Equations. 2nd ed., completely rev. D.C. Heath and company, 1933.