APA (7th ed.) Citation

National Speleological Society. (1948). The caves of Texas. The society.

Chicago Style (17th ed.) Citation

National Speleological Society. The Caves of Texas. Washington, D. C.: The society, 1948.

MLA (9th ed.) Citation

National Speleological Society. The Caves of Texas. The society, 1948.

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