Cita APA (7th ed.)

Diki, B. (2013). The shirburnian catastrophe. Langaa Research & Publishing CIG.

Cita Chicago (17th ed.)

Diki, Basil. The Shirburnian Catastrophe. Bamenda, Cameroon: Langaa Research & Publishing CIG, 2013.

Cita MLA (9th ed.)

Diki, Basil. The Shirburnian Catastrophe. Langaa Research & Publishing CIG, 2013.