APA استشهاد

Kunkel, G. (1978). Flowering trees in subtopical gardens. Dr. W Junk B V publishers.

استشهاد بنمط شيكاغو

Kunkel, G. Flowering Trees in Subtopical Gardens. Hague: Dr. W Junk B V publishers, 1978.

MLA استشهاد

Kunkel, G. Flowering Trees in Subtopical Gardens. Dr. W Junk B V publishers, 1978.