APA (7th ed.) Citation

Ferreira, M., Proença, T., & Proença, J. (2009). Motivations in Volunteer Work.

Chicago Style (17th ed.) Citation

Ferreira, Marisa, Teresa Proença, and João Proença. Motivations in Volunteer Work. 2009.

MLA (8th ed.) Citation

Ferreira, Marisa, et al. Motivations in Volunteer Work. 2009.

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