APA (7th ed.) Citation

Santos, T. M., & Listanco, E. L. (1980). Petrographic variations in the lavas of the 1968 eruption of Taal volcano. Department of Geology and Geography, University of the Philippines.

Chicago Style (17th ed.) Citation

Santos, Teodoro M., and Eddie L. Listanco. Petrographic Variations in the Lavas of the 1968 Eruption of Taal Volcano. Quezon City: Department of Geology and Geography, University of the Philippines, 1980.

MLA (9th ed.) Citation

Santos, Teodoro M., and Eddie L. Listanco. Petrographic Variations in the Lavas of the 1968 Eruption of Taal Volcano. Department of Geology and Geography, University of the Philippines, 1980.

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