APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (8. izdanje)

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