APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.