Cita APA (7a ed.)

Markle, S. M. (1960). Inside the teaching machine. Center for Programed Instruction.

Cita Chicago Style (17a ed.)

Markle, Susan Meyer. Inside the Teaching Machine. N.Y.: Center for Programed Instruction, 1960.

Cita MLA (8a ed.)

Markle, Susan Meyer. Inside the Teaching Machine. Center for Programed Instruction, 1960.