APA (7th ed.) Citation

Sale,Richard. (2003). Explorers (1st.). Harper Collins Publishers.

Chicago Style (17th ed.) Citation

Sale,Richard. Explorers. 1st. Harper Collins Publishers, 2003.

MLA (9th ed.) Citation

Sale,Richard. Explorers. 1st. Harper Collins Publishers, 2003.

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