APA (7th ed.) Citation

Allen, J. R. L. (1968). Current ripples: Their relation to patterns of water and sediment motion. North-Holland Publ. Co.

Chicago Style (17th ed.) Citation

Allen, John R. L. Current Ripples: Their Relation to Patterns of Water and Sediment Motion. Amsterdam: North-Holland Publ. Co, 1968.

MLA (9th ed.) Citation

Allen, John R. L. Current Ripples: Their Relation to Patterns of Water and Sediment Motion. North-Holland Publ. Co, 1968.