Sagan, D. Metametazoa: Biology and multiplicity / Dorion Sagan. Incorporations.(1992).
Chicago-Zitierstil (17. Ausg.)Sagan, Dorion. "Metametazoa: Biology and Multiplicity / Dorion Sagan." Incorporations.(1992) .
MLA-Zitierstil (8. Ausg.)Sagan, Dorion. "Metametazoa: Biology and Multiplicity / Dorion Sagan." Incorporations.(1992), .
警告：這些引文格式不一定是100％准確.