APA (7th ed.) Citation

Pepperberg, I. M. Comments on “Comparing the productive vocabularies of Grey parrots (Psittacus erithacus) and young children”. Springer.

Chicago Style (17th ed.) Citation

Pepperberg, Irene M. Comments on “Comparing the Productive Vocabularies of Grey Parrots (Psittacus Erithacus) and Young Children”. Springer.

MLA (9th ed.) Citation

Pepperberg, Irene M. Comments on “Comparing the Productive Vocabularies of Grey Parrots (Psittacus Erithacus) and Young Children”. Springer.

Warning: These citations may not always be 100% accurate.