APA (7e ed.) Bronvermelding

Boyd, L. G. The World of Flying Saucers: A Scientific Examination of a Major Myth of the Space Age.

Chicago (17e ed.) Bronvermelding

Boyd, Lyle Gifford. The World of Flying Saucers: A Scientific Examination of a Major Myth of the Space Age.

MLA (9e ed.) Bronvermelding

Boyd, Lyle Gifford. The World of Flying Saucers: A Scientific Examination of a Major Myth of the Space Age.

Let op: Deze citaties zijn niet altijd 100% accuraat.