APA (7th ed.) Citation

Elisabeth Rathgeb-Schnierer & Michael G. Green. (2019). Developing Flexibility in Mental Calculation. Universidade Federal do Rio Grande do Sul.

Chicago Style (17th ed.) Citation

Elisabeth Rathgeb-Schnierer and Michael G. Green. Developing Flexibility in Mental Calculation. Universidade Federal do Rio Grande do Sul, 2019.

MLA (9th ed.) Citation

Elisabeth Rathgeb-Schnierer and Michael G. Green. Developing Flexibility in Mental Calculation. Universidade Federal do Rio Grande do Sul, 2019.

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