APA (7. basım) Alıntı

Humbert, F. L. (1968). Selection and wear of pebbles on gravel beaches.

Chicago Style (17. basım) Atıf

Humbert, Fekko Lucas. Selection and Wear of Pebbles on Gravel Beaches. [Groningen, 1968.

MLA (8th ed.) Atıf

Humbert, Fekko Lucas. Selection and Wear of Pebbles on Gravel Beaches. 1968.