APA (7th ed.) Citation

Wilshaw, H., & Saavedra, S. (1983). Aves. Círculo de lectores.

Chicago Style (17th ed.) Citation

Wilshaw, Harold, and Sol Saavedra. Aves. Madrid: Círculo de lectores, 1983.

MLA (9th ed.) Citation

Wilshaw, Harold, and Sol Saavedra. Aves. Círculo de lectores, 1983.

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