APA (7th ed.) Citation

Emig, W. H. (1917). Travertine deposits of Oklahoma. [publisher not identified].

Chicago Style (17th ed.) Citation

Emig, W. H. Travertine Deposits of Oklahoma. Norman: [publisher not identified], 1917.

MLA (9th ed.) Citation

Emig, W. H. Travertine Deposits of Oklahoma. [publisher not identified], 1917.

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