Citazione Stile APA (7a Edizione)

Thorpe, W. H. (1972). Duetting and antiphonal song in birds: Its extent and significance. E. J. Brill.

Citazione stile Chigago Style (17a edizione)

Thorpe, W. H. Duetting and Antiphonal Song in Birds: Its Extent and Significance. Leiden: E. J. Brill, 1972.

Citatione MLA (8a ed.)

Thorpe, W. H. Duetting and Antiphonal Song in Birds: Its Extent and Significance. E. J. Brill, 1972.