APA (7th ed.) Citation

Bruins, E. M. (1967). Reciprocals and Pythagorean Triads.

Chicago Style (17th ed.) Citation

Bruins, Evert M. Reciprocals and Pythagorean Triads. Firenze, 1967.

MLA (8th ed.) Citation

Bruins, Evert M. Reciprocals and Pythagorean Triads. 1967.

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