Não informado. (2021). Annual Report of the Director of the Museum of Comparative Zoology at Harvard College. Harvard College, Museum of Comparative Zoology.
Chicago-Zitierstil (17. Ausg.)Não informado. Annual Report of the Director of the Museum of Comparative Zoology at Harvard College. Cambridge, Mass: Harvard College, Museum of Comparative Zoology, 2021.
MLA-Zitierstil (8. Ausg.)Não informado. Annual Report of the Director of the Museum of Comparative Zoology at Harvard College. Harvard College, Museum of Comparative Zoology, 2021.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.