APA (7th ed.) Citation

John St.Jeffrey. (1991). Planet earth: Noble metals. time life books publishing Ltd.

Chicago Style (17th ed.) Citation

John St.Jeffrey. Planet Earth: Noble Metals. London: time life books publishing Ltd, 1991.

MLA (9th ed.) Citation

John St.Jeffrey. Planet Earth: Noble Metals. time life books publishing Ltd, 1991.

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