Cita APA (7th ed.)

Hook, L., & Gaver, M. V. (1969). The research paper. Prentice-Hall.

Cita Chicago (17th ed.)

Hook, Lucyle, i Mary Virginia Gaver. The Research Paper. New York: Prentice-Hall, 1969.

Cita MLA (9th ed.)

Hook, Lucyle, i Mary Virginia Gaver. The Research Paper. Prentice-Hall, 1969.