Gaya APA

all, A, R, L, E. (1991). Teratology "The International Journal of Abnormal Development" Vol 44 No 1 July 1991 . Philadelphia: Wistar Institute Press.

Gaya MLA

all, Alan, R, Liss, Et. "Teratology "The International Journal of Abnormal Development" Vol 44 No 1 July 1991". Philadelphia: Wistar Institute Press, 1991. .