APA (7th ed.) Citation

Paape, A., & Walther, A. W. (1962). Akmon armour unit for cover layers of rubble mound breakwaters. Waterloopkundig Laboratorium.

Chicago Style (17th ed.) Citation

Paape, A., and A. W. Walther. Akmon Armour Unit for Cover Layers of Rubble Mound Breakwaters. Delft, Netherlands: Waterloopkundig Laboratorium, 1962.

MLA (9th ed.) Citation

Paape, A., and A. W. Walther. Akmon Armour Unit for Cover Layers of Rubble Mound Breakwaters. Waterloopkundig Laboratorium, 1962.