Cita APA

MacBean, J. C. (1973). Astronomy: Examining your environment. Holt, Rinehart and Winston of Canada.

Chicago Style (17th ed.) Citation

MacBean, John C. Astronomy: Examining Your Environment. Toronto: Holt, Rinehart and Winston of Canada, 1973.

Cita MLA

MacBean, John C. Astronomy: Examining Your Environment. Holt, Rinehart and Winston of Canada, 1973.

Atenció: Aquestes cites poden no estar 100% correctes.