APA (7th ed.) Citation

Gardner, R. (2013). Fig. 3 in Piper (Piperaceae) in New Guinea: The climbing species. Zenodo.

Chicago Style (17th ed.) Citation

Gardner, R.O. Fig. 3 in Piper (Piperaceae) in New Guinea: The Climbing Species. Zenodo, 2013.

MLA (9th ed.) Citation

Gardner, R.O. Fig. 3 in Piper (Piperaceae) in New Guinea: The Climbing Species. Zenodo, 2013.

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