APA (7th ed.) Citation

Romberg, F., & Barnes, V. E. (1949). Correlation of gravity observations with the geology of the Coal Creek serpentine mass, Blanco and Gillespie Counties, Texas. [publisher not identified].

Chicago Style (17th ed.) Citation

Romberg, Frederick, and Virgil E. Barnes. Correlation of Gravity Observations with the Geology of the Coal Creek Serpentine Mass, Blanco and Gillespie Counties, Texas. [Austin]: [publisher not identified], 1949.

MLA (9th ed.) Citation

Romberg, Frederick, and Virgil E. Barnes. Correlation of Gravity Observations with the Geology of the Coal Creek Serpentine Mass, Blanco and Gillespie Counties, Texas. [publisher not identified], 1949.