APA (7th ed.) Citation

Cruden, R. W. (1977). Pollen-Ovule Ratios: A Conservative Indicator of Breeding Systems in Flowering Plants. Zenodo.

Chicago Style (17th ed.) Citation

Cruden, Robert William. Pollen-Ovule Ratios: A Conservative Indicator of Breeding Systems in Flowering Plants. Zenodo, 1977.

MLA (9th ed.) Citation

Cruden, Robert William. Pollen-Ovule Ratios: A Conservative Indicator of Breeding Systems in Flowering Plants. Zenodo, 1977.

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