APA (7th ed.) Citation

Shein, K. (1977). Pictures words threes & other numbers. Trike.

Chicago Style (17th ed.) Citation

Shein, Keith. Pictures Words Threes & Other Numbers. San Francisco: Trike, 1977.

MLA (9th ed.) Citation

Shein, Keith. Pictures Words Threes & Other Numbers. Trike, 1977.

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