APA (7th ed.) Citation

Wolf Tony. (2009). The book of the earth, many questions and many answers. Euro Books.

Chicago Style (17th ed.) Citation

Wolf Tony. The Book of the Earth, Many Questions and Many Answers. Mumbai: Euro Books, 2009.

MLA (9th ed.) Citation

Wolf Tony. The Book of the Earth, Many Questions and Many Answers. Euro Books, 2009.