Cita APA

Smith, P. C., & Mengeling, W. L. (1977). A skin test for pseudorabies virus infection in swine.

Citación estilo Chicago

Smith, P C., y W L. Mengeling. A Skin Test for Pseudorabies Virus Infection in Swine. 1977.

Cita MLA

Smith, P C., y W L. Mengeling. A Skin Test for Pseudorabies Virus Infection in Swine. 1977.