Otero, A., & Ortells, M. (1995). Intravenous blood extracting method in penguins: A detailed description in Pygoscelis Papua. Instituto Antártico Argentino.
Chicago Style (17th ed.) CitationOtero, A., and M. Ortells. Intravenous Blood Extracting Method in Penguins: A Detailed Description in Pygoscelis Papua. Buenos Aires: Instituto Antártico Argentino, 1995.
MLA (9th ed.) CitationOtero, A., and M. Ortells. Intravenous Blood Extracting Method in Penguins: A Detailed Description in Pygoscelis Papua. Instituto Antártico Argentino, 1995.