APA Style

Mains, David & Steve Bell. (1991). Two Are Better than One (-). Oregon: Multnomah.

Chicago Style

Mains, David & Steve Bell. Two Are Better than One. - Oregon: Multnomah, 1991. Textbook.

MLA Style

Mains, David & Steve Bell. Two Are Better than One. - Oregon: Multnomah, 1991. Textbook.

Turabian Style

Mains, David & Steve Bell. Two Are Better than One. - Oregon: Multnomah, 1991. Textbook.