Παραπομπή APA

Streel, M. (1972). Advances in paleozoic botany. Elsevier.

Παραπομπή Chicago Style

Streel, M. Advances in Paleozoic Botany. New York: Elsevier, 1972.

Παραπομπή MLA

Streel, M. Advances in Paleozoic Botany. Elsevier, 1972.