APA (7th ed.) Citation

Frey, H. G. (2010). The Camp Fire Girls on Ellen's Isle; Or, The Trail of the Seven Cedars. Project Gutenberg.

Chicago Style (17th ed.) Citation

Frey, Hildegard G. The Camp Fire Girls on Ellen's Isle; Or, The Trail of the Seven Cedars. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Frey, Hildegard G. The Camp Fire Girls on Ellen's Isle; Or, The Trail of the Seven Cedars. Project Gutenberg, 2010.

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