APA (7th ed.) Citation

Velayutham, K., Thiagalingam, K., & Pondrilei, K. (1981). Some studies on determination of available phosphorus in Papua New Guinea soils.

Chicago Style (17th ed.) Citation

Velayutham, K.S, K. Thiagalingam, and K.S Pondrilei. Some Studies on Determination of Available Phosphorus in Papua New Guinea Soils. 1981.

MLA (9th ed.) Citation

Velayutham, K.S, et al. Some Studies on Determination of Available Phosphorus in Papua New Guinea Soils. 1981.