APA (7th ed.) Citation

Wahl, A. M. (1944). Mechanical springs. Penton.

Chicago Style (17th ed.) Citation

Wahl, Arthur Munzenmaier. Mechanical Springs. Cleveland: Penton, 1944.

MLA (9th ed.) Citation

Wahl, Arthur Munzenmaier. Mechanical Springs. Penton, 1944.

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