APA-Zitierstil (7. Ausg.)

Howson, C. (1997). Logic with trees: An introduction to symbolic logic (1. publ.). Routledge.

Chicago-Zitierstil (17. Ausg.)

Howson, Colin. Logic with Trees: An Introduction to Symbolic Logic. 1. publ. London u.a: Routledge, 1997.

MLA-Zitierstil (9. Ausg.)

Howson, Colin. Logic with Trees: An Introduction to Symbolic Logic. 1. publ. Routledge, 1997.