Gaya APA

all, A, R, L, E. (1990). Teratology "The International Journal of Abnormal Development" Vol 41 No 4 April 1990 . Philadelphia: Wistar Institute Press.

Gaya MLA

all, Alan, R, Liss, Et. "Teratology "The International Journal of Abnormal Development" Vol 41 No 4 April 1990". Philadelphia: Wistar Institute Press, 1990. .