APA (7th ed.) Citation

Penny, J. S. (1986). The Petchabun Piedmont survey: A initial investigation of the presistory of the western borders of the Khorat Plateau, Northeast Thailand. University of Pennsylvania.

Chicago Style (17th ed.) Citation

Penny, James Sterling. The Petchabun Piedmont Survey: A Initial Investigation of the Presistory of the Western Borders of the Khorat Plateau, Northeast Thailand. Philadelphia: University of Pennsylvania, 1986.

MLA (8th ed.) Citation

Penny, James Sterling. The Petchabun Piedmont Survey: A Initial Investigation of the Presistory of the Western Borders of the Khorat Plateau, Northeast Thailand. University of Pennsylvania, 1986.