APA (7th ed.) Citation

Winkler, H. Urticaceae papuanae novae.

Chicago Style (17th ed.) Citation

Winkler, Hubert. Urticaceae Papuanae Novae.

MLA (9th ed.) Citation

Winkler, Hubert. Urticaceae Papuanae Novae.

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