APA (7th ed.) Citation

Simpson, J. N. (2002). The impact of selected variables on the transition from eighth grade to ninth grade in a suburban school district. [publisher not identified].

Chicago Style (17th ed.) Citation

Simpson, James Nolan. The Impact of Selected Variables on the Transition from Eighth Grade to Ninth Grade in a Suburban School District. [Place of publication not identified]: [publisher not identified], 2002.

MLA (9th ed.) Citation

Simpson, James Nolan. The Impact of Selected Variables on the Transition from Eighth Grade to Ninth Grade in a Suburban School District. [publisher not identified], 2002.