APA (7th ed.) Citation

Richter, P., O'Keeffe, G., & Stieglitz, A. (2000). Georgia O'Keeffe and Alfred Stieglitz. Prestel Verlag.

Chicago Style (17th ed.) Citation

Richter, Peter-Cornell, Georgia O'Keeffe, and Alfred Stieglitz. Georgia O'Keeffe and Alfred Stieglitz. Munich: Prestel Verlag, 2000.

MLA (9th ed.) Citation

Richter, Peter-Cornell, et al. Georgia O'Keeffe and Alfred Stieglitz. Prestel Verlag, 2000.

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