BibTeX

@ARTICLE{iumj22067,
    author = "Bai Chang",
     title = "Some Theorems about Knot Groups",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 22,
      year = 1973,
     issue = 9,
     pages = "807--812",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj22067}{article}{
     author = {Chang, Bai},
      title = {Some Theorems about Knot Groups},
    journal = {Indiana Univ. Math. J.},
     volume = {22},
       year = {1973},
     number = {9},
      pages = {807 \ndash 812},
}