APA (7e ed.) Bronvermelding

YOUNG, C. A. (1898). A text-Book general astronomy for colleges and scienti-fic schools. GINN and co.

Chicago (17e ed.) Bronvermelding

YOUNG, Charles A. A Text-Book General Astronomy for Colleges and Scienti-fic Schools. Boston: GINN and co, 1898.

MLA (9e ed.) Bronvermelding

YOUNG, Charles A. A Text-Book General Astronomy for Colleges and Scienti-fic Schools. GINN and co, 1898.

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