Cita APA (7a ed.)

McVittie, G. (1961). Problems of Extra-Galactic Research. The Macmillan Company.

Cita Chicago Style (17a ed.)

McVittie, G.C. Problems of Extra-Galactic Research. New York: The Macmillan Company, 1961.

Cita MLA (9a ed.)

McVittie, G.C. Problems of Extra-Galactic Research. The Macmillan Company, 1961.