APA (7th ed.) Citation

Simpson, M. G., Simpson, L. M., & André, J. M. Cryptantha acrimuricata (Boraginaceae), a distinctive new taxon of series Muricatae. Pensoft Publishers.

Chicago Style (17th ed.) Citation

Simpson, Michael G., Lee M. Simpson, and James M. André. Cryptantha Acrimuricata (Boraginaceae), a Distinctive New Taxon of Series Muricatae. Pensoft Publishers.

MLA (9th ed.) Citation

Simpson, Michael G., et al. Cryptantha Acrimuricata (Boraginaceae), a Distinctive New Taxon of Series Muricatae. Pensoft Publishers.