APA (7th ed.) Citation

Blakey, E., & Spence, S. (1990). Thinking for the Future.

Chicago Style (17th ed.) Citation

Blakey, Elaine, and Sheila Spence. Thinking for the Future. 1990.

MLA (9th ed.) Citation

Blakey, Elaine, and Sheila Spence. Thinking for the Future. 1990.

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