APA

Croag S. H., . (1982). Life after a heart attack : social and psichological factors eight years later. New York: Human Sciences Press.

Chicago

Croag Sydney H, . 1982. Life after a heart attack : social and psichological factors eight years later. New York: Human Sciences Press.

Harvard

Croag S. H., . (1982). Life after a heart attack : social and psichological factors eight years later. New York: Human Sciences Press.

MLA

Croag Sydney H, . Life after a heart attack : social and psichological factors eight years later. New York: Human Sciences Press. 1982.