APA

Knobloch I. W., . (1948). Readings in biological science. New York: Appleton-Century-Crofts.

Chicago

Knobloch Irving W, . 1948. Readings in biological science. New York: Appleton-Century-Crofts.

Harvard

Knobloch I. W., . (1948). Readings in biological science. New York: Appleton-Century-Crofts.

MLA

Knobloch Irving W, . Readings in biological science. New York: Appleton-Century-Crofts. 1948.