APA (7th ed.) Citation

Timberlake, P. H. (1980). Supplementary studies on the systematics on the genus Perdita: (Hymenoptera, Andrenidae). Univ. of Calif. Pr.

Chicago Style (17th ed.) Citation

Timberlake, Philip H. Supplementary Studies on the Systematics on the Genus Perdita: (Hymenoptera, Andrenidae). Berkeley: Univ. of Calif. Pr, 1980.

MLA (9th ed.) Citation

Timberlake, Philip H. Supplementary Studies on the Systematics on the Genus Perdita: (Hymenoptera, Andrenidae). Univ. of Calif. Pr, 1980.

Warning: These citations may not always be 100% accurate.