APA (7th ed.) Citation

Boogard, M. v. d. (1981). Conodont faunas from Portugal and Southwestern Spain. Rijksmuseum van Geologie en Mineralogie.

Chicago Style (17th ed.) Citation

Boogard, Marinus van den. Conodont Faunas from Portugal and Southwestern Spain. Leiden: Rijksmuseum van Geologie en Mineralogie, 1981.

MLA (9th ed.) Citation

Boogard, Marinus van den. Conodont Faunas from Portugal and Southwestern Spain. Rijksmuseum van Geologie en Mineralogie, 1981.