APA (7th ed.) Citation

Haruna, A. O., Asap, A., & Maru, A. (2019). Biochar and mineral acid soil phosphorus availability. Universiti Putra Malaysia Press.

Chicago Style (17th ed.) Citation

Haruna, Ahmed Osumanu, Audrey Asap, and Ali Maru. Biochar and Mineral Acid Soil Phosphorus Availability. Universiti Putra Malaysia Press, 2019.

MLA (9th ed.) Citation

Haruna, Ahmed Osumanu, et al. Biochar and Mineral Acid Soil Phosphorus Availability. Universiti Putra Malaysia Press, 2019.