APA (7th ed.) Citation

Hill, H., Perkins, A., Helbig, A., & Lewin, T. (1977). Straight on till morning: Poems of the imaginary world. Crowell.

Chicago Style (17th ed.) Citation

Hill, Helen, Agnes Perkins, Alethea Helbig, and Ted Lewin. Straight on Till Morning: Poems of the Imaginary World. New York: Crowell, 1977.

MLA (9th ed.) Citation

Hill, Helen, et al. Straight on Till Morning: Poems of the Imaginary World. Crowell, 1977.