APA (7th ed.) Citation

Grier, N. M. (1927). A NOTE ON THE INTERRUPTED FERN. Zenodo.

Chicago Style (17th ed.) Citation

Grier, Norman McDowell. A NOTE ON THE INTERRUPTED FERN. Zenodo, 1927.

MLA (9th ed.) Citation

Grier, Norman McDowell. A NOTE ON THE INTERRUPTED FERN. Zenodo, 1927.

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