APA-Zitierstil (7. Ausg.)

Timberlake, P. H. (1969). A contribution to the systematics of North America species of Synhalonia (Hymenoptera, Apoidea). Univ. of California Press.

Chicago-Zitierstil (17. Ausg.)

Timberlake, Philip H. A Contribution to the Systematics of North America Species of Synhalonia (Hymenoptera, Apoidea). Berkeley [u.a.]: Univ. of California Press, 1969.

MLA-Zitierstil (9. Ausg.)

Timberlake, Philip H. A Contribution to the Systematics of North America Species of Synhalonia (Hymenoptera, Apoidea). Univ. of California Press, 1969.