APA Citation

Riley, P. (2004). 100 things you should know about planet earth. Essex, England: Miles Kelly Publishing.

Chicago Style Citation

Riley, Peter. 100 Things You Should Know About Planet Earth. Essex, England: Miles Kelly Publishing, 2004.

MLA Citation

Riley, Peter. 100 Things You Should Know About Planet Earth. Essex, England: Miles Kelly Publishing, 2004.

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