APA (7th ed.) Citation

Ekers, R., & KELLERMANN, K. (2011). Introduction: Discoveries in Astronomy. American Philosophical Society.

Chicago Style (17th ed.) Citation

Ekers, Ronald, and K. KELLERMANN. Introduction: Discoveries in Astronomy. American Philosophical Society, 2011.

MLA (9th ed.) Citation

Ekers, Ronald, and K. KELLERMANN. Introduction: Discoveries in Astronomy. American Philosophical Society, 2011.

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