APA-Zitierstil (7. Ausg.)

Timberlake, P. H. Supplementary studies on the systematics of Genus Perdita (Hymenoptera, Andrenidae). Univ. of California Press.

Chicago-Zitierstil (17. Ausg.)

Timberlake, Philip Hunter. Supplementary Studies on the Systematics of Genus Perdita (Hymenoptera, Andrenidae). Berkeley [u.a.]: Univ. of California Press.

MLA-Zitierstil (9. Ausg.)

Timberlake, Philip Hunter. Supplementary Studies on the Systematics of Genus Perdita (Hymenoptera, Andrenidae). Univ. of California Press.