Halls, K. M., & Spears, R. (2025). Cryptid sea monsters: [a field guide]. Little Bigfoot.
Cita Chicago Style (17a ed.)Halls, Kelly Milner, y Rick Spears. Cryptid Sea Monsters: [a Field Guide]. Seattle, WA: Little Bigfoot, 2025.
Cita MLA (8a ed.)Halls, Kelly Milner, y Rick Spears. Cryptid Sea Monsters: [a Field Guide]. Little Bigfoot, 2025.
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