APA (7th ed.) Citation

Andreescu, T., Mushkarov, O., & Stoyanov, L. N. (2006). Geometric problems on maxima and minima. Birkhaüser. https://doi.org/10.1007/0-8176-4473-3

Chicago Style (17th ed.) Citation

Andreescu, Titu, Oleg Mushkarov, and Luchezar N. Stoyanov. Geometric Problems on Maxima and Minima. Boston, Mass.: Birkhaüser, 2006. https://doi.org/10.1007/0-8176-4473-3.

MLA (9th ed.) Citation

Andreescu, Titu, et al. Geometric Problems on Maxima and Minima. Birkhaüser, 2006. https://doi.org/10.1007/0-8176-4473-3.