APA (7th ed.) Citation

Müller-Schwarze, D. (1978). Evolution of play behavior. Benchmark papers in animal behavior.

Chicago Style (17th ed.) Citation

Müller-Schwarze, Dietland. "Evolution of Play Behavior." Benchmark Papers in Animal Behavior 1978.

MLA (8th ed.) Citation

Müller-Schwarze, Dietland. "Evolution of Play Behavior." Benchmark Papers in Animal Behavior, 1978.

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