APA (7th ed.) Citation

Plummer & -. (1998). Physical Geology: - (1998.). America.

Chicago Style (17th ed.) Citation

Plummer and -. Physical Geology: -. 1998. America: America, 1998.

MLA (9th ed.) Citation

Plummer and -. Physical Geology: -. 1998. America, 1998.

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