APA (7th ed.) Citation

Sheffeild, C. (1981). Earth watch. Macmillan Publ.

Chicago Style (17th ed.) Citation

Sheffeild, Charles. Earth Watch. Macmillan Publ, 1981.

MLA (8th ed.) Citation

Sheffeild, Charles. Earth Watch. Macmillan Publ, 1981.

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