Zeeck, A., Welter, V., Alatas, H., Hildebrandt, T., Lahmann, C. und Hartmann, A. (2019) Muscle dysmorphic disorder inventory (MDDI): validation of a German version with a focus on gender [cd]. Freiburg: Universität. doi:10.1371/journal.pone.0207535.
Chicago Manual of Style 17th edition (full note)Zeeck, Almut, Viola Welter, Hasan Alatas, Tom Hildebrandt, Claas Lahmann, und Armin Hartmann. Muscle dysmorphic disorder inventory (MDDI): validation of a German version with a focus on gender. Cd. Freiburg: Universität, [2019?], Freiburg: Universität, [2019?]. https://doi.org/10.1371/journal.pone.0207535.
American Psychological Association 7th editionZeeck, A., Welter, V., Alatas, H., Hildebrandt, T., Lahmann, C., & Hartmann, A. (ca. 2019). Muscle dysmorphic disorder inventory (MDDI): validation of a German version with a focus on gender [Cd]. Universität. https://doi.org/10.1371/journal.pone.0207535
Modern Language Association 9th editionZeeck, A., V. Welter, H. Alatas, T. Hildebrandt, C. Lahmann, und A. Hartmann. Muscle dysmorphic disorder inventory (MDDI): validation of a German version with a focus on gender. cd, Universität, 2019, https://doi.org/10.1371/journal.pone.0207535.
ISO-690 (author-date, Deutsch)ZEECK, Almut, Viola WELTER, Hasan ALATAS, Tom HILDEBRANDT, Claas LAHMANN und Armin HARTMANN, 2019. Muscle dysmorphic disorder inventory (MDDI): validation of a German version with a focus on gender. Freiburg: Universität