Cita APA (7th ed.)

Penick, J. E., & Harris, R. L. (2005). Teaching with purpose: Closing the research-practice gap. NSTA Press.

Cita Chicago (17th ed.)

Penick, John E., i Robin Lee Harris. Teaching with Purpose: Closing the Research-practice Gap. Arlington, Va.: NSTA Press, 2005.

Cita MLA (9th ed.)

Penick, John E., i Robin Lee Harris. Teaching with Purpose: Closing the Research-practice Gap. NSTA Press, 2005.