APA-Zitierstil (7. Ausg.)

Thorp, R. W. (1969). Systematics and ecology of bees of the subgenus Diandrena (Hymenoptera: Andrenidae). Univ. of California Press.

Chicago-Zitierstil (17. Ausg.)

Thorp, Robbin W. Systematics and Ecology of Bees of the Subgenus Diandrena (Hymenoptera: Andrenidae). Berkeley u.a: Univ. of California Press, 1969.

MLA-Zitierstil (9. Ausg.)

Thorp, Robbin W. Systematics and Ecology of Bees of the Subgenus Diandrena (Hymenoptera: Andrenidae). Univ. of California Press, 1969.