APA   Click to copy
Dulhofer, M. PhD Thesis: Influencing factors on Presenteeism before and during COVID19-Pandemic. tba. tba.

Chicago/Turabian   Click to copy
Dulhofer, Markus. “PhD Thesis: Influencing Factors on Presenteeism before and during COVID19-Pandemic.” Tba. tba, n.d.

MLA   Click to copy
Dulhofer, Markus. “PhD Thesis: Influencing Factors on Presenteeism before and during COVID19-Pandemic.” Tba, tba.

@unpublished{dulhofer-a,
  title = {PhD Thesis: Influencing factors on Presenteeism before and during COVID19-Pandemic.},
  author = {Dulhofer, Markus},
  booktitle = {tba},
  howpublished = {tba}
}