Cita APA (7a ed.)

Matteucci, P., Voelker, R., Alvarez, C., Araújo, O., Grillo, B., & Mariño, A. (1987). Persistent digestive haemorrhage due to high jejunal vascular malformation.

Cita Chicago Style (17a ed.)

Matteucci, Pablo, Ricardo Voelker, Carmelo Alvarez, Octasilio Araújo, Bartolomé Grillo, y Ana Mariño. Persistent Digestive Haemorrhage Due to High Jejunal Vascular Malformation. 1987.

Cita MLA (9a ed.)

Matteucci, Pablo, et al. Persistent Digestive Haemorrhage Due to High Jejunal Vascular Malformation. 1987.