APA (7th ed.) Citation

Barnetche, A., & Illing, L. V. (1956). The Tamabra limestone of the Ponza Rica oilfield, Veracruz, Mexico. [publisher not identified].

Chicago Style (17th ed.) Citation

Barnetche, A., and L. V. Illing. The Tamabra Limestone of the Ponza Rica Oilfield, Veracruz, Mexico. Mexico: [publisher not identified], 1956.

MLA (9th ed.) Citation

Barnetche, A., and L. V. Illing. The Tamabra Limestone of the Ponza Rica Oilfield, Veracruz, Mexico. [publisher not identified], 1956.