APA (7e ed.) Bronvermelding

Cairns, S. D. (2012). New Zealand: Primnoidae (Anthozoa: Alcyonacea): Part 1, Genera Narella, Narelloides, Metanarella, Calyptrophora, and Helicoprimnoa. NIWA.

Chicago (17e ed.) Bronvermelding

Cairns, Stephen D. New Zealand: Primnoidae (Anthozoa: Alcyonacea): Part 1, Genera Narella, Narelloides, Metanarella, Calyptrophora, and Helicoprimnoa. Wellington, N.Z: NIWA, 2012.

MLA (9e ed.) Bronvermelding

Cairns, Stephen D. New Zealand: Primnoidae (Anthozoa: Alcyonacea): Part 1, Genera Narella, Narelloides, Metanarella, Calyptrophora, and Helicoprimnoa. NIWA, 2012.