Cita APA (7a ed.)
Siegel, L. (1967). Instruction: Some contemporary viewpoints.
Cita estilo Chicago (17a ed.)
Siegel, Laurence. Instruction: Some Contemporary Viewpoints. 1967.
Cita MLA (9a ed.)
Siegel, Laurence. Instruction: Some Contemporary Viewpoints. 1967.
Precaución: Estas citas no son 100% exactas.