APA (7th ed.) Citation

Busbey, A. B. (1996). Rocks and fossils: The ultimate guide to the earth. Harper Collins.

Chicago Style (17th ed.) Citation

Busbey, Arthur Bresnahan. Rocks and Fossils: The Ultimate Guide to the Earth. London: Harper Collins, 1996.

MLA (8th ed.) Citation

Busbey, Arthur Bresnahan. Rocks and Fossils: The Ultimate Guide to the Earth. Harper Collins, 1996.

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