Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.