APA (7th ed.) Citation

Umami, I. M., Kamarudin, K. N., Hermansah, & Abe, S. S. Does soil fertility under smallholder rubber farming? The case of a West Sumatran lowland in Indonesia.

Chicago Style (17th ed.) Citation

Umami, Irwin M., Khairun N. Kamarudin, Hermansah, and Susumu S. Abe. Does Soil Fertility Under Smallholder Rubber Farming? The Case of a West Sumatran Lowland in Indonesia.

MLA (9th ed.) Citation

Umami, Irwin M., et al. Does Soil Fertility Under Smallholder Rubber Farming? The Case of a West Sumatran Lowland in Indonesia.