APA

Stone E., . (19891988). Black sheep and kissing cousins. New York, N.Y., U.S.A: Penguin Books.

Chicago

Stone Elizabeth, . 19891988. Black sheep and kissing cousins. New York, N.Y., U.S.A: Penguin Books.

Harvard

Stone E., . (19891988). Black sheep and kissing cousins. New York, N.Y., U.S.A: Penguin Books.

MLA

Stone Elizabeth, . Black sheep and kissing cousins. New York, N.Y., U.S.A: Penguin Books. 19891988.