APA (7th ed.) Citation

Illinois. University. Elementary School Science. (1963). Astronomy (2nd ed.). University of Illinois.

Chicago Style (17th ed.) Citation

Illinois. University. Elementary School Science. Astronomy. 2nd ed. Urbana: University of Illinois, 1963.

MLA (9th ed.) Citation

Illinois. University. Elementary School Science. Astronomy. 2nd ed. University of Illinois, 1963.

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