APA (7th ed.) Citation

Sours, H. G., & Shepard, C. H. (1939). Embankment compaction control as practiced by Ohio. Roads & Streets, 82, 29.

Chicago Style (17th ed.) Citation

Sours, H. G., and C. H. Shepard. "Embankment Compaction Control as Practiced by Ohio." Roads & Streets 82 (1939): 29.

MLA (9th ed.) Citation

Sours, H. G., and C. H. Shepard. "Embankment Compaction Control as Practiced by Ohio." Roads & Streets, vol. 82, 1939, p. 29.