एपीए उद्धरण

Ziegler, A., Schröder, L., Ogurreck, M., Faber, C., & Stach, T. (2012). Evolution of a Novel Muscle Design in Sea Urchins (Echinodermata: Echinoidea). Public Library of Science.

शिकागो स्टाइल उद्धरण

Ziegler, Alexander, Leif Schröder, Malte Ogurreck, Cornelius Faber, और Thomas Stach. Evolution of a Novel Muscle Design in Sea Urchins (Echinodermata: Echinoidea). Public Library of Science, 2012.

एमएलए उद्धरण

Ziegler, Alexander, et al. Evolution of a Novel Muscle Design in Sea Urchins (Echinodermata: Echinoidea). Public Library of Science, 2012.