APA (7th ed.) Citation

Bell, J. R., & Yoder, E. J. (1956). Plastic moisture barriers for highwy subgrade protection. Purdue University.

Chicago Style (17th ed.) Citation

Bell, J. Richard, and Eldon J. Yoder. Plastic Moisture Barriers for Highwy Subgrade Protection. Lafayette: Purdue University, 1956.

MLA (9th ed.) Citation

Bell, J. Richard, and Eldon J. Yoder. Plastic Moisture Barriers for Highwy Subgrade Protection. Purdue University, 1956.