Citazione Stile APA (7a Edizione)

Oakley, K. P. (1948). The succession of life through geological time (4a. ed.). Trustees of the British Museum.

Citazione stile Chigago Style (17a edizione)

Oakley, Kenneth Page. The Succession of Life Through Geological Time. 4a. ed. Londres: Trustees of the British Museum, 1948.

Citatione MLA (9a ed.)

Oakley, Kenneth Page. The Succession of Life Through Geological Time. 4a. ed. Trustees of the British Museum, 1948.