APA (7th ed.) Citation

Gilliland, T. R. (1999). Intervening tasks and the spacing effect: Theoretical and practical implications. [publisher not identified].

Chicago Style (17th ed.) Citation

Gilliland, Todd Robert. Intervening Tasks and the Spacing Effect: Theoretical and Practical Implications. [Place of publication not identified]: [publisher not identified], 1999.

MLA (9th ed.) Citation

Gilliland, Todd Robert. Intervening Tasks and the Spacing Effect: Theoretical and Practical Implications. [publisher not identified], 1999.