Cita APA (7th ed.)

Quennell, A. M. (1956). Metallogenetic epochs in east and central Africa. s.n..

Cita Chicago (17th ed.)

Quennell, A. M. Metallogenetic Epochs in East and Central Africa. [Tanganyika?: s.n., 1956.

Cita MLA (8th ed.)

Quennell, A. M. Metallogenetic Epochs in East and Central Africa. s.n., 1956.