APA (7th ed.) Citation

Não informado. (1976). Essence. York University, Atkinson College, Department of Psychology.

Chicago Style (17th ed.) Citation

Não informado. Essence. Ontario, Canada: York University, Atkinson College, Department of Psychology, 1976.

MLA (8th ed.) Citation

Não informado. Essence. York University, Atkinson College, Department of Psychology, 1976.

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