APA Style

Gustafson, R. David, Frisk, Peter D.. (1994). Plane Trigonometry. 4th Edition (4th Edition). Pacific Grove: Brooks/Cole.

Chicago Style

Gustafson, R. David, Frisk, Peter D.. Plane Trigonometry. 4th Edition. 4th Edition Pacific Grove: Brooks/Cole, 1994. Text.

MLA Style

Gustafson, R. David, Frisk, Peter D.. Plane Trigonometry. 4th Edition. 4th Edition Pacific Grove: Brooks/Cole, 1994. Text.

Turabian Style

Gustafson, R. David, Frisk, Peter D.. Plane Trigonometry. 4th Edition. 4th Edition Pacific Grove: Brooks/Cole, 1994. Print.