APA (7th ed.) Citation

PIGNANI, T. J. (1968). Elements of Trigonometry. Harcourt Brace & World, Inc.

Chicago Style (17th ed.) Citation

PIGNANI, Tullio J. Elements of Trigonometry. Harcourt Brace & World, Inc, 1968.

MLA (8th ed.) Citation

PIGNANI, Tullio J. Elements of Trigonometry. Harcourt Brace & World, Inc, 1968.

Warning: These citations may not always be 100% accurate.