APA (7th ed.) Citation

Pennell, E. R., & Pennell, J. (2012). Our Journey to the Hebrides. Project Gutenberg.

Chicago Style (17th ed.) Citation

Pennell, Elizabeth Robins, and Joseph Pennell. Our Journey to the Hebrides. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Pennell, Elizabeth Robins, and Joseph Pennell. Our Journey to the Hebrides. Project Gutenberg, 2012.

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