APA (7th ed.) Citation

Petrovych, Z. O., & Redinov, K. O. (2011). The Purple Sandpiper (Calidris maritima) in Ukraine.

Chicago Style (17th ed.) Citation

Petrovych, Z. O., and K. O. Redinov. The Purple Sandpiper (Calidris Maritima) in Ukraine. 2011.

MLA (8th ed.) Citation

Petrovych, Z. O., and K. O. Redinov. The Purple Sandpiper (Calidris Maritima) in Ukraine. 2011.

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