Cita APA (7th ed.)

LearningExpress (Organization). (2008). Praxis I PPST: Pre-Professional Skills Test (3rd ed., [completely rev. and updated].). LearningExpress.

Cita Chicago (17th ed.)

LearningExpress (Organization). Praxis I PPST: Pre-Professional Skills Test. 3rd ed., [completely rev. and updated]. New York: LearningExpress, 2008.

Cita MLA (9th ed.)

LearningExpress (Organization). Praxis I PPST: Pre-Professional Skills Test. 3rd ed., [completely rev. and updated]. LearningExpress, 2008.