APA (7th ed.) Citation

Putnam, E. W. (1914). The essence of astronomy: Things everyone should know about the sun, moon, and stars. G.P. Putnam's sons.

Chicago Style (17th ed.) Citation

Putnam, Edmund W. The Essence of Astronomy: Things Everyone Should Know About the Sun, Moon, and Stars. New York, London: G.P. Putnam's sons, 1914.

MLA (9th ed.) Citation

Putnam, Edmund W. The Essence of Astronomy: Things Everyone Should Know About the Sun, Moon, and Stars. G.P. Putnam's sons, 1914.