Darwin, C., Barrett, P. H., & Freeman, R. B. (1988). A monograph of the sub-class Cirripedia, 2: The Balanidae, Pt. 1: Ed. by Paul. H. Barrett ... Advisor: Peter Gautrey. Pickering.
Chicago-referens (17:e uppl.)Darwin, Charles, Paul H. Barrett, och R. B. Freeman. A Monograph of the Sub-class Cirripedia, 2: The Balanidae, Pt. 1: Ed. by Paul. H. Barrett ... Advisor: Peter Gautrey. London: Pickering, 1988.
MLA-referens (8:e uppl.)Darwin, Charles, et al. A Monograph of the Sub-class Cirripedia, 2: The Balanidae, Pt. 1: Ed. by Paul. H. Barrett ... Advisor: Peter Gautrey. Pickering, 1988.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.