APA (7th ed.) Citation

Pollen, J. H. Archivmaterialien zu John Hungerford Pollen, 1858-1925.

Chicago Style (17th ed.) Citation

Pollen, John Hungerford. Archivmaterialien Zu John Hungerford Pollen, 1858-1925.

MLA (9th ed.) Citation

Pollen, John Hungerford. Archivmaterialien Zu John Hungerford Pollen, 1858-1925.

Warning: These citations may not always be 100% accurate.