Dyfyniad APA

Villalobos Muller, W., Moreira Carmona, L., Derrick, K. S., Beretta, M., Lee, R. F., & Rivera Herrero, C. (2005). First Report of Citrus Blight in Costa Rica.

Dyfyniad Arddull Chicago

Villalobos Muller, William, Lisela Moreira Carmona, Kenneth S. Derrick, M.J.G Beretta, Richard F. Lee, y Carmen Rivera Herrero. First Report of Citrus Blight in Costa Rica. 2005.

Dyfyniad MLA

Villalobos Muller, William, et al. First Report of Citrus Blight in Costa Rica. 2005.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.