APA (7e ed.) Bronvermelding

Symposium on Problems of Extra-Galactic Research, Sta. Barbara, & McVittie, G. C. (1962). Problems of extra-galactic research. Macmillan.

Chicago (17e ed.) Bronvermelding

Symposium on Problems of Extra-Galactic Research, Sta. Barbara, en G. C. McVittie. Problems of Extra-galactic Research. N.Y.: Macmillan, 1962.

MLA (8e ed.) Bronvermelding

Symposium on Problems of Extra-Galactic Research, Sta. Barbara, en G. C. McVittie. Problems of Extra-galactic Research. Macmillan, 1962.