APA استشهاد

Carlson, E. A. (1967). Gene theory. Dickenson Publishing Company.

استشهاد بنمط شيكاغو

Carlson, Elof Axel. Gene Theory. California: Dickenson Publishing Company, 1967.

MLA استشهاد

Carlson, Elof Axel. Gene Theory. Dickenson Publishing Company, 1967.