Craig, R. T. (1963). The Mammillaria handbook: With descriptions, illustrations, and key to the species of the genus Mammillaria of the Cactaceae (Reprinted [der Ausg.] Pasaden 1945.). Micro Method [u.a.].
Chicago Style (17th ed.) CitationCraig, Robert T. The Mammillaria Handbook: With Descriptions, Illustrations, and Key to the Species of the Genus Mammillaria of the Cactaceae. Reprinted [der Ausg.] Pasaden 1945. East Ardsley, Wakefield: Micro Method [u.a.], 1963.
MLA (9th ed.) CitationCraig, Robert T. The Mammillaria Handbook: With Descriptions, Illustrations, and Key to the Species of the Genus Mammillaria of the Cactaceae. Reprinted [der Ausg.] Pasaden 1945. Micro Method [u.a.], 1963.
Warning: These citations may not always be 100% accurate.