APA   Click to copy
Hoekstra, S. (2005). Atom Trap Trace Analysis of Calcium Isotopes (PhD thesis).

Chicago/Turabian   Click to copy
Hoekstra, Steven. “Atom Trap Trace Analysis of Calcium Isotopes,” 2005.

MLA   Click to copy
Hoekstra, Steven. Atom Trap Trace Analysis of Calcium Isotopes. 2005.

@phdthesis{steven2005a,
  title = {Atom Trap Trace Analysis of Calcium Isotopes},
  year = {2005},
  author = {Hoekstra, Steven}
}