Cita APA (7th ed.)

Sjoberg, G., & Nett, R. (1968). A methodology for social research. Harper & Row.

Cita Chicago (17th ed.)

Sjoberg, Gideon, i Roger Nett. A Methodology for Social Research. New York: Harper & Row, 1968.

Cita MLA (9th ed.)

Sjoberg, Gideon, i Roger Nett. A Methodology for Social Research. Harper & Row, 1968.