APA (7th ed.) Citation

Padilla, G. B. (1977). A correlation between the liquid limit and the fall-cone penetration [microform]. Photoduplication Service. University of the Philippines Library.

Chicago Style (17th ed.) Citation

Padilla, George B. A Correlation Between the Liquid Limit and the Fall-cone Penetration [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

MLA (9th ed.) Citation

Padilla, George B. A Correlation Between the Liquid Limit and the Fall-cone Penetration [microform]. Photoduplication Service. University of the Philippines Library, 1977.