APA (7th ed.) Citation

Simak, C. D. (1978). Clifford D. Simak. Shakespeares Planet.

Chicago Style (17th ed.) Citation

Simak, Clifford D. Clifford D. Simak. Shakespeares Planet. 1978.

MLA (9th ed.) Citation

Simak, Clifford D. Clifford D. Simak. Shakespeares Planet. 1978.

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