APA (7th ed.) Citation

Ummar AkbarTampubolon, F. 4., Amiruddin, D. 4., & Olagnier, M. 4. Fertilizer experimentation on oil palm in North sumatra.

Chicago Style (17th ed.) Citation

Ummar AkbarTampubolon, F.H 48363, D. 45792 Amiruddin, and M. 48377 Olagnier. Fertilizer Experimentation on Oil Palm in North Sumatra.

MLA (8th ed.) Citation

Ummar AkbarTampubolon, F.H 48363, et al. Fertilizer Experimentation on Oil Palm in North Sumatra.

IICA/CATIE Citation

Ummar AkbarTampubolon, F. 4., Amiruddin, D. 4., ; Olagnier, M. 4. Fertilizer experimentation on oil palm in North sumatra.