APA Citatie

Echols, K. R., McCarty, J. P., Nichols, J. W., Secord, A. L., & Tillitt, D. E. Accumulation of PCB congeners in nestling tree swallows (Tachycineta bicolor) on the Hudson River, New York.

Chicago Style citaat

Echols, Kathy R., John P. McCarty, John W. Nichols, Anne L. Secord, en Donald E. Tillitt. Accumulation of PCB Congeners in Nestling Tree Swallows (Tachycineta Bicolor) On the Hudson River, New York.

MLA citatie

Echols, Kathy R., et al. Accumulation of PCB Congeners in Nestling Tree Swallows (Tachycineta Bicolor) On the Hudson River, New York.