APA (7th ed.) Citation

Frey, H. G. (2012). The Camp Fire Girls Solve a Mystery; Or, The Christmas Adventure at Carver House. Project Gutenberg.

Chicago Style (17th ed.) Citation

Frey, Hildegard G. The Camp Fire Girls Solve a Mystery; Or, The Christmas Adventure at Carver House. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Frey, Hildegard G. The Camp Fire Girls Solve a Mystery; Or, The Christmas Adventure at Carver House. Project Gutenberg, 2012.

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