Cita APA (7a ed.)

Forsyth, A. R. (1933). A treatise on differential equations (6th ed.). MacMillan.

Cita Chicago Style (17a ed.)

Forsyth, Andrew Russell. A Treatise on Differential Equations. 6th ed. London: MacMillan, 1933.

Cita MLA (9a ed.)

Forsyth, Andrew Russell. A Treatise on Differential Equations. 6th ed. MacMillan, 1933.