Harvard:
Shepherd, G.A. 1973, "",
APA:
Shepherd, G.A. (1973). . .
Chicago:
Shepherd, Gary A. 1973. "." .
MLA:
Shepherd, Gary A. "." (1973): .
Citation within the text:
(Shepherd 1973)
Zotero:
Save reference in Zotero
BibTeX:
@article{shepherd1973review,
  author = {Shepherd, Gary A.},
  year = {1973},
  x-huffmanId = {3700},
  source = {huffman-l-z},
}