APA (7th ed.) Citation

HILL & GAY. (1973). Galaxy: Activities in astronomy. EECM.

Chicago Style (17th ed.) Citation

HILL and GAY. Galaxy: Activities in Astronomy. Adelaide: EECM, 1973.

MLA (8th ed.) Citation

HILL and GAY. Galaxy: Activities in Astronomy. EECM, 1973.

Warning: These citations may not always be 100% accurate.