APA

Ferretti D. F., Miller J. B., White J. W. C., Etheridge D. M., Lassey K. R., Lowe D. C., Macfarling Meure C. M., Dreier M. F., Trudinger C. M., van Ommen T. D. & Langenfelds R. L. (20050920). Unexpected changes to the global methane budget over the past 2000 years. : Science (New York, N.Y.).

Chicago

Ferretti D F, Miller J B, White J W C, Etheridge D M, Lassey K R, Lowe D C, Macfarling Meure C M, Dreier M F, Trudinger C M, van Ommen T D and Langenfelds R L. 20050920. Unexpected changes to the global methane budget over the past 2000 years. : Science (New York, N.Y.).

Harvard

Ferretti D. F., Miller J. B., White J. W. C., Etheridge D. M., Lassey K. R., Lowe D. C., Macfarling Meure C. M., Dreier M. F., Trudinger C. M., van Ommen T. D. and Langenfelds R. L. (20050920). Unexpected changes to the global methane budget over the past 2000 years. : Science (New York, N.Y.).

MLA

Ferretti D F, Miller J B, White J W C, Etheridge D M, Lassey K R, Lowe D C, Macfarling Meure C M, Dreier M F, Trudinger C M, van Ommen T D and Langenfelds R L. Unexpected changes to the global methane budget over the past 2000 years. : Science (New York, N.Y.). 20050920.