APA

Weiss K., Vergara C. H., . (2002). Little book of bees. New York: Copernicus Books.

Chicago

Weiss Karl, Vergara Carlos H, . 2002. Little book of bees. New York: Copernicus Books.

Harvard

Weiss K., Vergara C. H., . (2002). Little book of bees. New York: Copernicus Books.

MLA

Weiss Karl, Vergara Carlos H, . Little book of bees. New York: Copernicus Books. 2002.