APA (7th ed.) Citation

Greenough, S., & Greenough, S. (2002). Alfred Stieglitz. Abrams Publ. [u.a.].

Chicago Style (17th ed.) Citation

Greenough, Sarah, and Sarah Greenough. Alfred Stieglitz. Washington, DC: Abrams Publ. [u.a.], 2002.

MLA (8th ed.) Citation

Greenough, Sarah, and Sarah Greenough. Alfred Stieglitz. Abrams Publ. [u.a.], 2002.