APA

Skouby S. O., . (1997). Clinical perspectives on a new gestodene oral contraceptive containing 20 [mu]g of ethinylestradiol :the proceedings of a symposium at the 4th Congress of the European Society of Contraception, Barcelona, Spain, June 1996. New York: Parthenon.

Chicago

Skouby Sven O.(editor), . 1997. Clinical perspectives on a new gestodene oral contraceptive containing 20 [mu]g of ethinylestradiol :the proceedings of a symposium at the 4th Congress of the European Society of Contraception, Barcelona, Spain, June 1996. New York: Parthenon.

Harvard

Skouby S. O., . (1997). Clinical perspectives on a new gestodene oral contraceptive containing 20 [mu]g of ethinylestradiol :the proceedings of a symposium at the 4th Congress of the European Society of Contraception, Barcelona, Spain, June 1996. New York: Parthenon.

MLA

Skouby Sven O.(editor), . Clinical perspectives on a new gestodene oral contraceptive containing 20 [mu]g of ethinylestradiol :the proceedings of a symposium at the 4th Congress of the European Society of Contraception, Barcelona, Spain, June 1996. New York: Parthenon. 1997.