APA
Carballido E., Morales A., Gaucher-Schultz J., Morales A. & Gaucher-Schultz J. (1972). Medusa. New Jersey: Prentice-Hall.
Chicago
Carballido Emilio, Morales Alfredo, Gaucher-Schultz Jeanine, Morales Alfredo and Gaucher-Schultz Jeanine. 1972. Medusa. New Jersey: Prentice-Hall.
Harvard
Carballido E., Morales A., Gaucher-Schultz J., Morales A. and Gaucher-Schultz J. (1972). Medusa. New Jersey: Prentice-Hall.
MLA
Carballido Emilio, Morales Alfredo, Gaucher-Schultz Jeanine, Morales Alfredo and Gaucher-Schultz Jeanine. Medusa. New Jersey: Prentice-Hall. 1972.