Record Citations
APA (7th ed.) Citation
Petersen, J. F., Sack, D., & Gabler, R. E. (2022). Physical geography (12th ed.). Cengage Learning.
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Chicago Style (17th ed.) Citation
Petersen, James F., Dorothy Sack, and Robert E. Gabler. Physical Geography. 12th ed. Boston: Cengage Learning, 2022.
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MLA (9th ed.) Citation
Petersen, James F., et al. Physical Geography. 12th ed. Cengage Learning, 2022.
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Warning: These citations may not always be 100% accurate.