Cita APA (7th ed.)

Alley, R. (1967). What is sin ?: Poems. The Caxton Press.

Cita Chicago (17th ed.)

Alley, Rewi. What Is Sin ?: Poems. Christchurch: The Caxton Press, 1967.

Cita MLA (8th ed.)

Alley, Rewi. What Is Sin ?: Poems. The Caxton Press, 1967.