APA (7th ed.) Citation

Grover, S., & Grover, K. (1970). Greetings: Sherwood & Katharine Grover. [Grace Hoper Press].

Chicago Style (17th ed.) Citation

Grover, Sherwood, and Katharine Grover. Greetings: Sherwood & Katharine Grover. [Aptos, California]: [Grace Hoper Press], 1970.

MLA (8th ed.) Citation

Grover, Sherwood, and Katharine Grover. Greetings: Sherwood & Katharine Grover. [Grace Hoper Press], 1970.

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