Cita APA (7a ed.)
Gillespie, S., & Allen, L. H. (2002). Commentary: What works and what really works.
Cita Chicago Style (17a ed.)
Gillespie, Stuart, y Lindsay H. Allen. Commentary: What Works and What Really Works. 2002.
Cita MLA (9a ed.)
Gillespie, Stuart, y Lindsay H. Allen. Commentary: What Works and What Really Works. 2002.
Precaución: Estas citas no son 100% exactas.