APA (7th ed.) Citation

Courtney, L. A. (2014). Space penguins: Black hole battle! Stripes Publishing.

Chicago Style (17th ed.) Citation

Courtney, L A. Space Penguins: Black Hole Battle! London: Stripes Publishing, 2014.

MLA (9th ed.) Citation

Courtney, L A. Space Penguins: Black Hole Battle! Stripes Publishing, 2014.

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