APA (7th ed.) Citation

Germar, F. J. Detection of internal cracks on concrete using the impact-echo method.

Chicago Style (17th ed.) Citation

Germar, Fernando J. Detection of Internal Cracks on Concrete Using the Impact-echo Method.

MLA (9th ed.) Citation

Germar, Fernando J. Detection of Internal Cracks on Concrete Using the Impact-echo Method.

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