APA (7th ed.) Citation

Hegner, R., & Andrews, J. (1930). Problems and methods of research in Protozoology: монография.

Chicago Style (17th ed.) Citation

Hegner, R., and J. Andrews. Problems and Methods of Research in Protozoology: монография. New-York, 1930.

MLA (8th ed.) Citation

Hegner, R., and J. Andrews. Problems and Methods of Research in Protozoology: монография. 1930.

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