APA (7th ed.) Citation

Hamill, S. (1976). Petroglyphs: Poems. Three Rivers Press.

Chicago Style (17th ed.) Citation

Hamill, Sam. Petroglyphs: Poems. Pittsburgh: Three Rivers Press, 1976.

MLA (9th ed.) Citation

Hamill, Sam. Petroglyphs: Poems. Three Rivers Press, 1976.

Warning: These citations may not always be 100% accurate.