APA Style

Howson, Colin. (1997). Logic with Trees . USA: Routledge.

Chicago Style

Howson, Colin. Logic with Trees. USA: Routledge, 1997. Text.

MLA Style

Howson, Colin. Logic with Trees. USA: Routledge, 1997. Text.

Turabian Style

Howson, Colin. Logic with Trees. USA: Routledge, 1997. Print.