APA (7th ed.) Citation

Juan de la Cruz, S. (1960). Poems [of] St. John of the Cross. Penguin Books.

Chicago Style (17th ed.) Citation

Juan de la Cruz, Saint. Poems [of] St. John of the Cross. [Harmondsworth, Middlesex, Eng.]: Penguin Books, 1960.

MLA (9th ed.) Citation

Juan de la Cruz, Saint. Poems [of] St. John of the Cross. Penguin Books, 1960.