APA引文

Nielsen, J. B., Caulfield, M. P., & Lampen, J. O. (1981). Lipoprotein nature of Bacillus licheniformis membrane penicillinase.

Citação norma Chicago

Nielsen, J B., M P. Caulfield, and J O. Lampen. Lipoprotein Nature of Bacillus Licheniformis Membrane Penicillinase. 1981.

MLA引文

Nielsen, J B., M P. Caulfield, and J O. Lampen. Lipoprotein Nature of Bacillus Licheniformis Membrane Penicillinase. 1981.

警告：這些引文格式不一定是100％准確.