APA (7th ed.) Citation

Bell, T. E. (1976). The beginnings of American astronomy.

Chicago Style (17th ed.) Citation

Bell, Trudy E. The Beginnings of American Astronomy. 1976.

MLA (9th ed.) Citation

Bell, Trudy E. The Beginnings of American Astronomy. 1976.

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