APA (7th ed.) Citation

Happer, R. (2013). Galaxy: Explore the universe, planets and stars. Collins Publishers.

Chicago Style (17th ed.) Citation

Happer, Richard. Galaxy: Explore the Universe, Planets and Stars. Glasgow: Collins Publishers, 2013.

MLA (9th ed.) Citation

Happer, Richard. Galaxy: Explore the Universe, Planets and Stars. Collins Publishers, 2013.

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