APA

Roberts L. J., Stefani R. L., . (1975). Patterns of living in Puerto Rican families. New York: Arno Press.

Chicago

Roberts Lydia Jane, Stefani Rosa Luisa, . 1975. Patterns of living in Puerto Rican families. New York: Arno Press.

Harvard

Roberts L. J., Stefani R. L., . (1975). Patterns of living in Puerto Rican families. New York: Arno Press.

MLA

Roberts Lydia Jane, Stefani Rosa Luisa, . Patterns of living in Puerto Rican families. New York: Arno Press. 1975.