Tohutoro APA (7th ed.)

Maboganja, A. (1997). The State of the earth: Contemporary. Block Well.

Tohutoru Kātū Chicago (17th ed.)

Maboganja, Akin. The State of the Earth: Contemporary. New York: Block Well, 1997.

Tohutoro MLA (9th ed.)

Maboganja, Akin. The State of the Earth: Contemporary. Block Well, 1997.