APA (7th ed.) Citation

Higgins, R. P. (1990). Zelinkaderidae, a new family of cyclorhagid Kinorhyncha. Smithsonian Institution Press.

Chicago Style (17th ed.) Citation

Higgins, Robert P. Zelinkaderidae, a New Family of Cyclorhagid Kinorhyncha. Washington, D.C.: Smithsonian Institution Press, 1990.

MLA (9th ed.) Citation

Higgins, Robert P. Zelinkaderidae, a New Family of Cyclorhagid Kinorhyncha. Smithsonian Institution Press, 1990.

Warning: These citations may not always be 100% accurate.