APA (7th ed.) Citation

Behrmann, P. (1975). Activities for developing visual-perception. Academic Therapy Publications.

Chicago Style (17th ed.) Citation

Behrmann, Polly. Activities for Developing Visual-perception. San Rafael, Calif.: Academic Therapy Publications, 1975.

MLA (9th ed.) Citation

Behrmann, Polly. Activities for Developing Visual-perception. Academic Therapy Publications, 1975.