APA (7th ed.) Citation

Martyn, W., Megrue, R. C., & Kirkpatrick, W. (2012). Under Cover. Project Gutenberg.

Chicago Style (17th ed.) Citation

Martyn, Wyndham, Roi Cooper Megrue, and William Kirkpatrick. Under Cover. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Martyn, Wyndham, et al. Under Cover. Project Gutenberg, 2012.

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