APA (7th ed.) Citation

Dresher, P. (1990). Cornucopia (Version rev. 1990.). P. Dresher.

Chicago Style (17th ed.) Citation

Dresher, Paul. Cornucopia. Version rev. 1990. [United States?]: P. Dresher, 1990.

MLA (9th ed.) Citation

Dresher, Paul. Cornucopia. Version rev. 1990. P. Dresher, 1990.