Vervoort, W., & Zibrowius, H. W. (1981). Annotations on H. Boschma's work on hydrocorals (Milleporina, Axoporina, Stylasterina), with additions to his list of the described species of Stylasterina. Brill.
Chicago Style (17th ed.) CitationVervoort, W., and Helmut W. Zibrowius. Annotations on H. Boschma's Work on Hydrocorals (Milleporina, Axoporina, Stylasterina), with Additions to His List of the Described Species of Stylasterina. Leiden: Brill, 1981.
MLA (9th ed.) CitationVervoort, W., and Helmut W. Zibrowius. Annotations on H. Boschma's Work on Hydrocorals (Milleporina, Axoporina, Stylasterina), with Additions to His List of the Described Species of Stylasterina. Brill, 1981.
Warning: These citations may not always be 100% accurate.