Pollen, J. H. Archivmaterialien zu John Hungerford Pollen, 1858-1925.
Chicago Style (17th ed.) CitationPollen, John Hungerford. Archivmaterialien Zu John Hungerford Pollen, 1858-1925.
MLA引文Pollen, John Hungerford. Archivmaterialien Zu John Hungerford Pollen, 1858-1925.
警告：這些引文格式不一定是100％准確.