@book{Kinseyetal, author = {Kinsey, A. C. and et al.,}, title = {Sexual behavior in the human male, New York (Pocket Books) 1969.}, language = {en} } @book{Kinsey, author = {Kinsey, A. C.}, title = {Sexual behavior in the human male, Philadelphia (W. B. Saunders Company) 1953.}, language = {en} }