Hammen, L. v. d. Studies on Opilioacarida, Arachnida. Brill.
Chicago Style (17th ed.) CitationHammen, Leendert van der. Studies on Opilioacarida, Arachnida. Leiden: Brill.
MLA (9th ed.) CitationHammen, Leendert van der. Studies on Opilioacarida, Arachnida. Brill.
Warning: These citations may not always be 100% accurate.