APA

Pålshammar Å., . (1970). Comparisons of children's time-production during approach-avoidance conditions with or without predictable reward. Uppsala: Uppsala Universitet. Psykologiska Institutionen. Rapport nr 72.

Chicago

Pålshammar Å, . 1970. Comparisons of children's time-production during approach-avoidance conditions with or without predictable reward. Uppsala: Uppsala Universitet. Psykologiska Institutionen. Rapport nr 72.

Harvard

Pålshammar Å., . (1970). Comparisons of children's time-production during approach-avoidance conditions with or without predictable reward. Uppsala: Uppsala Universitet. Psykologiska Institutionen. Rapport nr 72.

MLA

Pålshammar Å, . Comparisons of children's time-production during approach-avoidance conditions with or without predictable reward. Uppsala: Uppsala Universitet. Psykologiska Institutionen. Rapport nr 72. 1970.