Cita APA

Hubbard, L. R. (2012). Early years of adventure: Letters & journals. Bridge Pub.

Citación estilo Chicago

Hubbard, L. Ron. Early Years of Adventure: Letters & Journals. Commerce, Calif: Bridge Pub, 2012.

Cita MLA

Hubbard, L. Ron. Early Years of Adventure: Letters & Journals. Bridge Pub, 2012.

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