APA (7th ed.) Citation

Grigorieva, E. (2015). Methods of solving nonstandard problems. Birkhäuser.

Chicago Style (17th ed.) Citation

Grigorieva, Ellina. Methods of Solving Nonstandard Problems. Cham ; New York: Birkhäuser, 2015.

MLA (9th ed.) Citation

Grigorieva, Ellina. Methods of Solving Nonstandard Problems. Birkhäuser, 2015.

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