APA (7th ed.) Citation

Macgregor, A. R. (1963). Upper Llandeilo trilobites from the Berwyn Hills, North Wales. Zenodo.

Chicago Style (17th ed.) Citation

Macgregor, A Roy. Upper Llandeilo Trilobites from the Berwyn Hills, North Wales. Zenodo, 1963.

MLA (9th ed.) Citation

Macgregor, A Roy. Upper Llandeilo Trilobites from the Berwyn Hills, North Wales. Zenodo, 1963.

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