APA (7th ed.) Citation

N. Zavras, E. Christianakis, S. Tsamoudaki, & K. Velaoras. (2012). Infantile Perianal Pyramidal Protrusion: A Report of 8 New Cases and a Review of the Literature. Karger Publishers.

Chicago Style (17th ed.) Citation

N. Zavras, E. Christianakis, S. Tsamoudaki, and K. Velaoras. Infantile Perianal Pyramidal Protrusion: A Report of 8 New Cases and a Review of the Literature. Karger Publishers, 2012.

MLA (9th ed.) Citation

N. Zavras, et al. Infantile Perianal Pyramidal Protrusion: A Report of 8 New Cases and a Review of the Literature. Karger Publishers, 2012.