APA

Weiser E., . (1965). Pregnancy: conception and heredity. New York: Blaisdell Publishing Company.

Chicago

Weiser Eric, . 1965. Pregnancy: conception and heredity. New York: Blaisdell Publishing Company.

Harvard

Weiser E., . (1965). Pregnancy: conception and heredity. New York: Blaisdell Publishing Company.

MLA

Weiser Eric, . Pregnancy: conception and heredity. New York: Blaisdell Publishing Company. 1965.