APA

Cross M. L., Buddle B. M. & Aldwel F. e. (2007). The potential of oral vaccine for disease control in wildlife species [PDF]. Netherlands: Elsevier Science B.v.

Chicago

Cross M L, Buddle B M and Aldwel F e. 2007. The potential of oral vaccine for disease control in wildlife species [PDF]. Netherlands: Elsevier Science B.v.

Harvard

Cross M. L., Buddle B. M. and Aldwel F. e. (2007). The potential of oral vaccine for disease control in wildlife species [PDF]. Netherlands: Elsevier Science B.v.

MLA

Cross M L, Buddle B M and Aldwel F e. The potential of oral vaccine for disease control in wildlife species [PDF]. Netherlands: Elsevier Science B.v. 2007.