Long, J., & Trinajstic, K. (2014). The first vertebrate sexual organs evolved as an extra pair of legs.
Chicago Style (17th ed.) CitationLong, J., and Kate Trinajstic. The First Vertebrate Sexual Organs Evolved as an Extra Pair of Legs. 2014.
MLA (9th ed.) CitationLong, J., and Kate Trinajstic. The First Vertebrate Sexual Organs Evolved as an Extra Pair of Legs. 2014.
Warning: These citations may not always be 100% accurate.