APA (7th ed.) Citation

Poetry Book Society, Falck, C., Fuller, R., & Fuller, J. (1977). Poetry supplement. Poetry Book Society.

Chicago Style (17th ed.) Citation

Poetry Book Society, Colin Falck, Roy Fuller, and John Fuller. Poetry Supplement. London: Poetry Book Society, 1977.

MLA (9th ed.) Citation

Poetry Book Society, et al. Poetry Supplement. Poetry Book Society, 1977.