Cita APA (7a ed.)
Belkin, G. S. Introduction to Counseling. Wm. C. Brown.
Cita estilo Chicago (17a ed.)
Belkin, Gary S. Introduction to Counseling. EUA: Wm. C. Brown.
Cita MLA (9a ed.)
Belkin, Gary S. Introduction to Counseling. Wm. C. Brown.
警告：这些引文格式不一定是100％准确.