Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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