APA (7th ed.) Citation

Megill, R. E. (1971). An introduction to exploration economics. PennWell Books.

Chicago Style (17th ed.) Citation

Megill, R. E. An Introduction to Exploration Economics. Tulsa, Okla: PennWell Books, 1971.

MLA (9th ed.) Citation

Megill, R. E. An Introduction to Exploration Economics. PennWell Books, 1971.

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