Cita APA (7th ed.)

Legrand, H. (1988). Drifting continents and shifting theories. Univ.Pr..

Cita Chicago (17th ed.)

Legrand, H.E. Drifting Continents and Shifting Theories. Cambridge: Univ.Pr., 1988.

Cita MLA (9th ed.)

Legrand, H.E. Drifting Continents and Shifting Theories. Univ.Pr., 1988.