Цитирование APA (7-е изд.)

Isichei, A. O. (2014). Nitrogen Concentration in the Major Grasses of the Derived and Guinea Savanna Zones of Nigeria in Relation to Season and Site.

Цитирование в стиле Чикаго (17-е изд.)

Isichei, Augustine O. Nitrogen Concentration in the Major Grasses of the Derived and Guinea Savanna Zones of Nigeria in Relation to Season and Site. 2014.

Цитирование MLA (9-е изд.)

Isichei, Augustine O. Nitrogen Concentration in the Major Grasses of the Derived and Guinea Savanna Zones of Nigeria in Relation to Season and Site. 2014.

Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.