APA (7th ed.) Citation

The_Imo... & Djukic...[et.al.], D. (2011). The IMO compendium: A collection of problems suggested for the international mathematical olympiads : 1959-2009. Springer.

Chicago Style (17th ed.) Citation

The_Imo... and Dusan Djukic...[et.al.]. The IMO Compendium: A Collection of Problems Suggested for the International Mathematical Olympiads : 1959-2009. Springer, 2011.

MLA (8th ed.) Citation

The_Imo... and Dusan Djukic...[et.al.]. The IMO Compendium: A Collection of Problems Suggested for the International Mathematical Olympiads : 1959-2009. Springer, 2011.

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