Cita APA (7a ed.)

Arnett, E. J. (1920). Gazetteer of Zaria Province. s.n.].

Cita Chicago Style (17a ed.)

Arnett, Edward John. Gazetteer of Zaria Province. [S.l.: s.n.], 1920.

Cita MLA (8a ed.)

Arnett, Edward John. Gazetteer of Zaria Province. s.n.], 1920.