APA (7th ed.) Citation

Taft, W. N. (2011). On Secret Service Detective-Mystery Stories Based on Real Cases Solved By Government Agents. Project Gutenberg.

Chicago Style (17th ed.) Citation

Taft, William Nelson. On Secret Service Detective-Mystery Stories Based on Real Cases Solved By Government Agents. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Taft, William Nelson. On Secret Service Detective-Mystery Stories Based on Real Cases Solved By Government Agents. Project Gutenberg, 2011.

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