APA (7th ed.) Citation

Lovegrove, E. J., & Howe, J. A. Attrition tests of British road-stones.

Chicago Style (17th ed.) Citation

Lovegrove, Edwin James, and John Allen Howe. Attrition Tests of British Road-stones.

MLA (9th ed.) Citation

Lovegrove, Edwin James, and John Allen Howe. Attrition Tests of British Road-stones.

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