Cita APA (7a ed.)

Alter, M., & Schulenberg, R. (1970). Dermatoglyphics in congenital heart disease. [s.n.].

Cita Chicago Style (17a ed.)

Alter, Milton, y Robert Schulenberg. Dermatoglyphics in Congenital Heart Disease. [S.l.]: [s.n.], 1970.

Cita MLA (9a ed.)

Alter, Milton, y Robert Schulenberg. Dermatoglyphics in Congenital Heart Disease. [s.n.], 1970.