APA (7th ed.) Citation

Vallejo, C., & Hierro, J. (1967). Seven poems. R. Morris.

Chicago Style (17th ed.) Citation

Vallejo, César, and José Hierro. Seven Poems. Reno, Nev.: R. Morris, 1967.

MLA (8th ed.) Citation

Vallejo, César, and José Hierro. Seven Poems. R. Morris, 1967.