APA (7th ed.) Citation

Jones, P., & Bower, P. (1997). Budgerigars. Kingdom Books.

Chicago Style (17th ed.) Citation

Jones, Paula, and Philippa Bower. Budgerigars. s.l: Kingdom Books, 1997.

MLA (9th ed.) Citation

Jones, Paula, and Philippa Bower. Budgerigars. Kingdom Books, 1997.