APA (7th ed.) Citation

Petrov, R., Valchev, A., & Klisurova, H. Abundance of food leads to triple clutching of Eurasian eagle-owls (Bubo bubo) and barn owls (Tyto alba) in captivity in Bulgaria. Pensoft Publishers.

Chicago Style (17th ed.) Citation

Petrov, Rusko, Alian Valchev, and Hristina Klisurova. Abundance of Food Leads to Triple Clutching of Eurasian Eagle-owls (Bubo Bubo) and Barn Owls (Tyto Alba) in Captivity in Bulgaria. Pensoft Publishers.

MLA (9th ed.) Citation

Petrov, Rusko, et al. Abundance of Food Leads to Triple Clutching of Eurasian Eagle-owls (Bubo Bubo) and Barn Owls (Tyto Alba) in Captivity in Bulgaria. Pensoft Publishers.