Cita APA (7th ed.)

Werts, J. E. (1954). Statistical methods in educational and psycohological research. Appleton-Century-Crofts.

Cita Chicago (17th ed.)

Werts, James E. Statistical Methods in Educational and Psycohological Research. New York: Appleton-Century-Crofts, 1954.

Cita MLA (9th ed.)

Werts, James E. Statistical Methods in Educational and Psycohological Research. Appleton-Century-Crofts, 1954.