APA (7th ed.) Citation

Ekrutt. Stars and planets (2nd ed.). Barron's.

Chicago Style (17th ed.) Citation

Ekrutt. Stars and Planets. 2nd ed. Florida: Barron's.

MLA (8th ed.) Citation

Ekrutt. Stars and Planets. 2nd ed. Barron's.

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