Cita APA (7a ed.)

Gerhard, P., & Gulick, H. E. (2012). Lower California guidebook: A descriptive traveler's guide with route maps, illustations bibliography and index. Literary Licensing.

Cita Chicago Style (17a ed.)

Gerhard, Peter, y Howard E. Gulick. Lower California Guidebook: A Descriptive Traveler's Guide with Route Maps, Illustations Bibliography and Index. [Whitefish]: Literary Licensing, 2012.

Cita MLA (9a ed.)

Gerhard, Peter, y Howard E. Gulick. Lower California Guidebook: A Descriptive Traveler's Guide with Route Maps, Illustations Bibliography and Index. Literary Licensing, 2012.