APA

Zweifel F. W., University of Chicago Press. Estados Unidos, . (1961). A handbook of biological illustration / Frances W. Zweifel. Chicago: The University of Chicago Press.

Chicago

Zweifel Frances W, University of Chicago Press. Estados Unidos, . 1961. A handbook of biological illustration / Frances W. Zweifel. Chicago: The University of Chicago Press.

Harvard

Zweifel F. W., University of Chicago Press. Estados Unidos, . (1961). A handbook of biological illustration / Frances W. Zweifel. Chicago: The University of Chicago Press.

MLA

Zweifel Frances W, University of Chicago Press. Estados Unidos, . A handbook of biological illustration / Frances W. Zweifel. Chicago: The University of Chicago Press. 1961.