APA
Beecher M., Beecher W., . (1971). The Mark of Cain. New York; Evanston: Harper and Row, Publishers.
Chicago
Beecher Marguerite, Beecher Willard, . 1971. The Mark of Cain. New York; Evanston: Harper and Row, Publishers.
Harvard
Beecher M., Beecher W., . (1971). The Mark of Cain. New York; Evanston: Harper and Row, Publishers.
MLA
Beecher Marguerite, Beecher Willard, . The Mark of Cain. New York; Evanston: Harper and Row, Publishers. 1971.
