APA   Click to copy
Brummer, J. (2018). The Vietnam War: A History in Song. History Today.

Chicago/Turabian   Click to copy
Brummer, Justin. “The Vietnam War: A History in Song.” History Today (2018).

MLA   Click to copy
Brummer, Justin. “The Vietnam War: A History in Song.” History Today, Online, 2018.

@article{justin2018a,
  title = {The Vietnam War: A History in Song},
  year = {2018},
  journal = {History Today},
  author = {Brummer, Justin},
  howpublished = {Online}
}