Cita APA (7a ed.)

Wermund, E. G., Cepeda, J. C., & Luttrell, P. E. (1978). Regional distribution of fractures in the southern Edwards planeau and their relationship to tectonics and caves. Bureau of Economic Geology.

Cita Chicago Style (17a ed.)

Wermund, E. G., Joseph C. Cepeda, y P. E. Luttrell. Regional Distribution of Fractures in the Southern Edwards Planeau and Their Relationship to Tectonics and Caves. Austin, Tex.: Bureau of Economic Geology, 1978.

Cita MLA (8a ed.)

Wermund, E. G., et al. Regional Distribution of Fractures in the Southern Edwards Planeau and Their Relationship to Tectonics and Caves. Bureau of Economic Geology, 1978.