APA (7th ed.) Citation

Heyen, W. (1991). Pterodactyl Rose: Poems of ecology (1. ed., 1. print.). Time Being Books.

Chicago Style (17th ed.) Citation

Heyen, William. Pterodactyl Rose: Poems of Ecology. 1. ed., 1. print. St. Louis, Mo: Time Being Books, 1991.

MLA (9th ed.) Citation

Heyen, William. Pterodactyl Rose: Poems of Ecology. 1. ed., 1. print. Time Being Books, 1991.