Style de citation APA (7e éd.)

Abel, G. P. (2021). What, if anything, is out there (First edition.). Indigo River Publishing.

Style de citation Chicago (17e éd.)

Abel, Gene P. What, If Anything, Is Out There. First edition. Pensacola, FL: Indigo River Publishing, 2021.

Style de citation MLA (8e éd.)

Abel, Gene P. What, If Anything, Is Out There. First edition. Indigo River Publishing, 2021.

Attention : ces citations peuvent ne pas être correctes à 100%.