APA (7th ed.) Citation

Paul Sloane, D. M. (1998). Grandes enigmas de pensamento lateral. Gradiva.

Chicago Style (17th ed.) Citation

Paul Sloane, Des Machale. Grandes Enigmas De Pensamento Lateral. Gradiva, 1998.

MLA (8th ed.) Citation

Paul Sloane, Des Machale. Grandes Enigmas De Pensamento Lateral. Gradiva, 1998.

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