APA (7th ed.) Citation

Laudencia, P. N. (1972). Soil and water conservation through the improvement of soil cover. The Philippine Geographical Society.

Chicago Style (17th ed.) Citation

Laudencia, Pedro N. Soil and Water Conservation Through the Improvement of Soil Cover. Manila: The Philippine Geographical Society, 1972.

MLA (9th ed.) Citation

Laudencia, Pedro N. Soil and Water Conservation Through the Improvement of Soil Cover. The Philippine Geographical Society, 1972.