Cita APA (7a ed.)

Cobo, E., Campero, C., Cano, D., & Rossetti, C. Heifers immunized with whole-cell and membrane vaccines against Tritrichomonas foetus and naturally challenged with an infected bull.

Cita Chicago Style (17a ed.)

Cobo, E.R, C.M Campero, D. Cano, y C. Rossetti. Heifers Immunized with Whole-cell and Membrane Vaccines Against Tritrichomonas Foetus and Naturally Challenged with an Infected Bull.

Cita MLA (8a ed.)

Cobo, E.R, et al. Heifers Immunized with Whole-cell and Membrane Vaccines Against Tritrichomonas Foetus and Naturally Challenged with an Infected Bull.