Source and material information for The Crystal Caves has been provided by the following: Book Format: Author's last name, first initial. (Publication date). Book title. Additional information. City of publication: Publishing company. Encyclopedia / Dictionary Format: Author's last name, first initial. (Date). Title of Article. Title of Encyclopedia (Volume, pages). City of publication: Publishing company. Magazine / Newspaper Article Format: Author's last name, first initial. (Publication date). Article title. Periodical title, volume number(issue number if available), inclusive pages. Online Format: Online periodical: Author's name. (Date of publication). Title of article. Title of Periodical, volume number, Retrieved month day, year, from full URL Online document: Author's name. (Date of publication). Title of work. Retrieved month day, year, from full URL |