{{SeeAlso|Bibliographical Format}}
|+Bibliographical Formats
!Name
!Symbol
!# Leaves
!Chain Lines
!Watermark Position
!Example
|plano
|1°
|1
|horizontal
|1/4 longitudinal axis,1/2 latitudinal axis
|x150px|left|Plano Paper Size
|folio
|2°
|2<br>4<br>6<br>8
|vertical
|centred
|x150px|left|Folio Paper Size
|quarto
|4°
|2<br>4<br>8
|horizontal
|only partially visible, halfway the inner margin
|x150px|left|Quarto Paper Size
|octavo
|8°
|2<br>4<br>8<br>10
|vertical
|only partially visible, at the top of the inner margin
|x150px|left|Octavo Paper Size
|duodecimo long
|12°
|6<br>12
|vertical
|only partially visible, halfway the top margin
|x150px|left|Duodecimo Long Paper Size
|duodecimo common
|12°
|4<br>6<br>8<br>12
|horizontal
|at 1/3rd of the outer margin
|x150px|left|Duodecimo Common Paper Size
|sextodecimo
|16°
|8
|horizontal
|only partially visible at the top of the outer margin
|x150px|left|Sextodecimo Paper Size
|octodecimo
|18°
|6<br>8<br>10<br>12
|vertical
|centred
|x150px|left|Octodecimo Paper Size
|vicesimoquarto long
|24°
|12
|vertical
|only partially visible halfway the outer margin
|x150px|left|Vicesimoquarto Long Paper Size
|vicesimoquarto
|24°
|8<br>12
|horizontal
|only partially visible at the top of the inner margin
|x150px|left|Vicesimoquarto Paper Size
|}