APA-Zitierstil (7. Ausg.)

Hedgepeth, J. W. (1947). On the evolutionary significance of the Pycnogonida. Smithsonian Institution.

Chicago-Zitierstil (17. Ausg.)

Hedgepeth, Joel Walker. On the Evolutionary Significance of the Pycnogonida. Washington, D.C: Smithsonian Institution, 1947.

MLA-Zitierstil (9. Ausg.)

Hedgepeth, Joel Walker. On the Evolutionary Significance of the Pycnogonida. Smithsonian Institution, 1947.