APA (7th ed.) Citation

-. (1978). Soft ball. Amateur Softboll Association of America.

Chicago Style (17th ed.) Citation

-. Soft Ball. Amateur Softboll Association of America, 1978.

MLA (8th ed.) Citation

-. Soft Ball. Amateur Softboll Association of America, 1978.

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