APA (7th ed.) Citation

Spoel, S. v. d., Bruggen, A. C. v., & Lever, J. (1979). Pathways in Malacology. Bohn, Scheltema & Holkema, Utrecht dr. W. Junk.

Chicago Style (17th ed.) Citation

Spoel, S. van der, A. C. van Bruggen, and J. Lever. Pathways in Malacology. The Hague: Bohn, Scheltema & Holkema, Utrecht dr. W. Junk, 1979.

MLA (9th ed.) Citation

Spoel, S. van der, et al. Pathways in Malacology. Bohn, Scheltema & Holkema, Utrecht dr. W. Junk, 1979.