Cytowanie według stylu APA (wyd. 7)

Vries, H. d. (1988). Species and varieties: Their origin by mutation : lectures delivered at the University of California. Garland Pub..

Cytowanie według stylu Chicago (wyd. 17)

Vries, Hugo de. Species and Varieties: Their Origin by Mutation : Lectures Delivered at the University of California. New York: Garland Pub., 1988.

Cytowanie według stylu MLA (wyd. 8)

Vries, Hugo de. Species and Varieties: Their Origin by Mutation : Lectures Delivered at the University of California. Garland Pub., 1988.