Παραπομπή APA

Satterthwaite, G. E. (1970). Encyclopedia of astronomy. Hamlyn.

Παραπομπή Chicago Style

Satterthwaite, Gilbert E. Encyclopedia of Astronomy. London: Hamlyn, 1970.

Παραπομπή MLA

Satterthwaite, Gilbert E. Encyclopedia of Astronomy. Hamlyn, 1970.