APA (7th ed.) Citation

Ettema, R. (1980). Scour at bridge piers.

Chicago Style (17th ed.) Citation

Ettema, R. Scour at Bridge Piers. Private Bag, Auckland, New Zealand, 1980.

MLA (9th ed.) Citation

Ettema, R. Scour at Bridge Piers. 1980.

Warning: These citations may not always be 100% accurate.