APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.