APA Style
      RATCHEV, S. (2021).
    Smart Technologies for Precision Assembly: 9th IFIP WG 5.5 International Precision Assembly Seminar, IPAS 2020, Virtual Event, December 14–15, 2020, Revised Selected Papers (1).
    Heidelberg, Jerman:
  Springer International Publishing.
  
MLA Style
      RATCHEV, Svetan.
    "Smart Technologies for Precision Assembly: 9th IFIP WG 5.5 International Precision Assembly Seminar, IPAS 2020, Virtual Event, December 14–15, 2020, Revised Selected Papers".
    1
    Heidelberg, Jerman:
  Springer International Publishing,
  2021.
  Text.