APA (7th ed.) Citation

Merkel, R. H. (1979). Well log formation evaluation. American Association of Petroleum Geologists Department of Education.

Chicago Style (17th ed.) Citation

Merkel, Richard H. Well Log Formation Evaluation. [Tulsa?]: American Association of Petroleum Geologists Department of Education, 1979.

MLA (9th ed.) Citation

Merkel, Richard H. Well Log Formation Evaluation. American Association of Petroleum Geologists Department of Education, 1979.

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