APA citiranje

Sandoval, L. (2009). Density of nesting sites and their use by two woodpecker species (Melanerpes rubricapillus y M. chrysauchen) (Piciformes: Picidae) along an urban gradient, Costa Rica.

Citación estilo Chicago

Sandoval, Luis. Density of Nesting Sites and Their Use By Two Woodpecker Species (Melanerpes Rubricapillus Y M. Chrysauchen) (Piciformes: Picidae) Along an Urban Gradient, Costa Rica. 2009.

MLA citiranje

Sandoval, Luis. Density of Nesting Sites and Their Use By Two Woodpecker Species (Melanerpes Rubricapillus Y M. Chrysauchen) (Piciformes: Picidae) Along an Urban Gradient, Costa Rica. 2009.