APA

Frawley D. A., Samaan M. N., Bull R. L., Robertson J. M., Mateczun A. J. & Turnbull P. C. B. (20090303). Recovery efficiencies of anthrax spores and ricin from nonporous or nonabsorbent and porous or absorbent surfaces by a variety of sampling methods*. : Journal of forensic sciences.

Chicago

Frawley Dody A, Samaan Marian N, Bull Robert L, Robertson James M, Mateczun Alfred J and Turnbull Peter C B. 20090303. Recovery efficiencies of anthrax spores and ricin from nonporous or nonabsorbent and porous or absorbent surfaces by a variety of sampling methods*. : Journal of forensic sciences.

Harvard

Frawley D. A., Samaan M. N., Bull R. L., Robertson J. M., Mateczun A. J. and Turnbull P. C. B. (20090303). Recovery efficiencies of anthrax spores and ricin from nonporous or nonabsorbent and porous or absorbent surfaces by a variety of sampling methods*. : Journal of forensic sciences.

MLA

Frawley Dody A, Samaan Marian N, Bull Robert L, Robertson James M, Mateczun Alfred J and Turnbull Peter C B. Recovery efficiencies of anthrax spores and ricin from nonporous or nonabsorbent and porous or absorbent surfaces by a variety of sampling methods*. : Journal of forensic sciences. 20090303.