Citazione Stile APA (7a Edizione)

Quennell, A. M. (1958). East-Central Regional Committee for Geology, Sub-Committee on Stratigraphical nomenclature. s.n..

Citazione stile Chigago Style (17a edizione)

Quennell, A. M. East-Central Regional Committee for Geology, Sub-Committee on Stratigraphical Nomenclature. [Tanganyika?: s.n., 1958.

Citatione MLA (8a ed.)

Quennell, A. M. East-Central Regional Committee for Geology, Sub-Committee on Stratigraphical Nomenclature. s.n., 1958.