APA (7th ed.) Citation

Pearson, P. H. (1920). Surface marks of oil deposits. P.H. Pearson.

Chicago Style (17th ed.) Citation

Pearson, P. H. Surface Marks of Oil Deposits. Washington, D.C.: P.H. Pearson, 1920.

MLA (9th ed.) Citation

Pearson, P. H. Surface Marks of Oil Deposits. P.H. Pearson, 1920.

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