APA (7th ed.) Citation

Pennell, E. R., & Pennell, J. (1921). The Whistler journal (Autograph ed.). Lippincott.

Chicago Style (17th ed.) Citation

Pennell, Elizabeth Robins, and Joseph Pennell. The Whistler Journal. Autograph ed. Philadelphia: Lippincott, 1921.

MLA (9th ed.) Citation

Pennell, Elizabeth Robins, and Joseph Pennell. The Whistler Journal. Autograph ed. Lippincott, 1921.

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