APA   Click to copy
Harris, R. A. (2023). Afterword to The Many Voices of Modern Physics, by Joseph Harmon and Alan Gross. In The Many Voices of Modern Physics. University of Pittsburgh Press.

Chicago/Turabian   Click to copy
Harris, Randy Allen. “Afterword to The Many Voices of Modern Physics, by Joseph Harmon and Alan Gross.” In The Many Voices of Modern Physics. University of Pittsburgh Press, 2023.

MLA   Click to copy
Harris, Randy Allen. “Afterword to The Many Voices of Modern Physics, by Joseph Harmon and Alan Gross.” The Many Voices of Modern Physics, University of Pittsburgh Press, 2023.

@incollection{harris2023a,
  title = {Afterword to The Many Voices of Modern Physics, by Joseph Harmon and Alan Gross},
  year = {2023},
  publisher = {University of Pittsburgh Press},
  author = {Harris, Randy Allen},
  booktitle = {The Many Voices of Modern Physics}
}