APA
Williams F., Trefny A., Paxton J. & Davis H. (1974). Development of laboratory methods for determining D-cracking susceptibility of Ohio gravel and limestone coarse aggregates in concrete pavements. Columbus, OH: Ohio Department of Transportation.
Chicago
Williams FM, Trefny A, Paxton JT and Davis HD. 1974. Development of laboratory methods for determining D-cracking susceptibility of Ohio gravel and limestone coarse aggregates in concrete pavements. Columbus, OH: Ohio Department of Transportation.
Harvard
Williams F., Trefny A., Paxton J. and Davis H. (1974). Development of laboratory methods for determining D-cracking susceptibility of Ohio gravel and limestone coarse aggregates in concrete pavements. Columbus, OH: Ohio Department of Transportation.
MLA
Williams FM, Trefny A, Paxton JT and Davis HD. Development of laboratory methods for determining D-cracking susceptibility of Ohio gravel and limestone coarse aggregates in concrete pavements. Columbus, OH: Ohio Department of Transportation. 1974.