Cita APA (7th ed.)

Johnson, P. O. (1949). Statistical methods in research. Prentice-Hall.

Cita Chicago (17th ed.)

Johnson, Palmer O. Statistical Methods in Research. Nueva York: Prentice-Hall, 1949.

Cita MLA (9th ed.)

Johnson, Palmer O. Statistical Methods in Research. Prentice-Hall, 1949.