APA (7. basım) Alıntı

Optic, O. Now or Never; Or, The Adventures of Bobby Bright: A Story for Young Folks.

Chicago Style (17. basım) Atıf

Optic, Oliver. Now or Never; Or, The Adventures of Bobby Bright: A Story for Young Folks.

MLA (9th ed.) Atıf

Optic, Oliver. Now or Never; Or, The Adventures of Bobby Bright: A Story for Young Folks.