Stucker, H. The pen in mighter than the sword.
Cita Chicago Style (17a ed.)Stucker, Hal. The Pen in Mighter than the Sword.
Cita MLA (9a ed.)Stucker, Hal. The Pen in Mighter than the Sword.
Precaución: Estas citas no son 100% exactas.
Cita APA (7a ed.)