Gaya APA
Brendt, R, L. (1989).
Teratology The Journal of Abnormal Development Volume 39 Number 4 April 1989 .
Carrolina:
Willey.
Gaya MLA
Brendt, Robert, L..
"Teratology The Journal of Abnormal Development Volume 39 Number 4 April 1989".
Carrolina:
Willey,
1989.
Text.