To cite the 'galamm' package in publications use:

Sørensen Ø (2024). “Multilevel Semiparametric Latent Variable Modeling in R with "galamm".” Multivariate Behavioral Research. doi:10.1007/s11336-023-09910-z.

Sørensen Ø, Walhovd K, Fjell A (2023). “Longitudinal Modeling of Age-Dependent Latent Traits with Generalized Additive Latent and Mixed Models.” Psychometrika, 88(2), 456-486. doi:10.1007/s11336-023-09910-z.

Corresponding BibTeX entries:

  @Article{,
    title = {Multilevel Semiparametric Latent Variable Modeling in R
      with "galamm"},
    author = {{\O}ystein S{\o}rensen},
    journal = {Multivariate Behavioral Research},
    year = {2024},
    doi = {10.1007/s11336-023-09910-z},
  }

  @Article{,
    title = {Longitudinal Modeling of Age-Dependent Latent Traits with
      Generalized Additive Latent and Mixed Models},
    author = {{\O}ystein S{\o}rensen and Kristine B. Walhovd and Anders
      M. Fjell},
    journal = {Psychometrika},
    year = {2023},
    volume = {88},
    number = {2},
    pages = {456-486},
    doi = {10.1007/s11336-023-09910-z},
  }