Cita APA (7a ed.)

Reed, S. (2019). PHR and SPHR complete study guide: Professional in human resources certification (Fifth edition.). Sybex.

Cita Chicago Style (17a ed.)

Reed, Sandra. PHR and SPHR Complete Study Guide: Professional in Human Resources Certification. Fifth edition. Indianapolis, Indiana: Sybex, 2019.

Cita MLA (9a ed.)

Reed, Sandra. PHR and SPHR Complete Study Guide: Professional in Human Resources Certification. Fifth edition. Sybex, 2019.