Gaya APA

Brandt, J, C., Maran, S, P. (1971). New Horizons In Astronomy (Ed. 1). San frasisco: W. H. Freeman Company.

Gaya MLA

Brandt, John, C.., Maran, Stephen, P.. "New Horizons In Astronomy". Ed. 1 San frasisco: W. H. Freeman Company, 1971. Text.